State v. Robertson ( 2017 )


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  •                  This opinion is subject to revision before final
    publication in the Pacific Reporter
    
    2017 UT 27
    IN THE
    SUPREME COURT OF THE STATE OF UTAH
    STATE OF UTAH,
    Respondent,
    v.
    D. CHRIS ROBERTSON,
    Petitioner.
    No. 20140268
    Filed May 15, 2017
    On Certiorari to the Utah Court of Appeals
    Third District, West Jordan
    The Honorable Terry L. Christiansen
    No. 111401510
    Attorneys:
    Elizabeth Hunt, Salt Lake City, for petitioner
    Sean D. Reyes, Att‘y Gen., Jeffrey S. Gray, Asst. Solic. Gen.,
    Salt Lake City, for respondent
    CHIEF JUSTICE DURRANT authored the opinion of the Court, in which
    ASSOCIATE CHIEF JUSTICE LEE, JUSTICE DURHAM,
    and JUSTICE HIMONAS joined.
    Having recused himself, JUSTICE PEARCE did not participate herein.
    CHIEF JUSTICE DURRANT, opinion of the Court:
    Introduction
    ¶ 1 Defendant D. Chris Robertson was prosecuted and
    convicted by the federal government for possession of child
    pornography. The State of Utah subsequently charged him with
    twenty counts of sexual exploitation of a minor based on the same
    conduct. Mr. Robertson argues that Utah Code section 76-1-404
    prohibits this subsequent state prosecution. That statute provides
    that ―[i]f a defendant‘s conduct establishes the commission of one or
    more offenses within the concurrent jurisdiction of this state and of
    STATE v. ROBERTSON
    Opinion of the Court
    another jurisdiction, federal or state, the prosecution in the other
    jurisdiction is a bar to a subsequent prosecution in this state if . . . the
    former prosecution resulted in an acquittal, conviction, or
    termination of prosecution . . .; and [] the subsequent prosecution is
    for the same offense or offenses.‖
    ¶ 2 Under our previous interpretation of section 404, this statute
    would present no barrier to the current prosecution. In State v.
    Franklin,1 we concluded that section 404 incorporated the ―dual
    sovereignty‖ doctrine, a principle of double jeopardy law that
    permits subsequent prosecutions by different sovereigns, even for
    the ―same offense.‖ The court of appeals affirmed Mr. Robertson‘s
    convictions in accordance with this precedent.
    ¶ 3 Today, we reassess that earlier interpretation and ultimately
    conclude that it was wrongly decided. Taking into account stare
    decisis considerations, we overrule Franklin as to that issue and hold
    that the legislature‘s use of the phrase ―same offense‖ in section 404
    is an express rejection of the dual sovereignty doctrine. Properly
    interpreted, section 404 requires courts to employ only the
    Blockburger-Sosa test for determining whether two offenses are the
    ―same offense.‖ Under this test, two offenses are not the same if each
    requires proof of an element that the other does not.
    ¶ 4 After articulating the correct interpretation of the statute, we
    apply it to this case. Because the charged offenses in his federal and
    state prosecutions are the ―same offense‖ under the Blockburger-Sosa
    test, and because the record shows that the state prosecution is based
    on the same conduct that was at issue in the initial federal
    prosecution, we conclude that section 404, properly interpreted,
    prohibits the State from prosecuting Mr. Robertson. We therefore
    reverse the decision of the court of appeals.
    Background
    ¶ 5 In March 2009, one of Mr. Robertson‘s employees alerted
    authorities that Mr. Robertson was viewing child pornography on
    his workplace computer. The Utah Internet Crimes Against Children
    Task Force (ICAC) began an investigation. Detective Mark Buhman,
    a Salt Lake City Police Department (SLPD) Officer assigned to the
    Utah ICAC, was made lead investigator on the case. The Utah ICAC
    is a ―multi-jurisdictional task force that investigates and prosecutes
    _____________________________________________________________
    1   
    735 P.2d 34
    (Utah 1987).
    2
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                               Opinion of the Court
    individuals who use the Internet to exploit children.‖2 The task force
    has thirty-two local, state, and federal police agency affiliates,
    including the FBI and the Department of Homeland Security.3
    Although the Utah ICAC includes federal affiliates, the initial
    investigation of Mr. Robertson‘s case did not involve any federal
    agents.4
    ¶ 6 Detective Buhman eventually secured a warrant to search
    Mr. Robertson‘s business and seize his computers. During the
    search, officers seized a black, custom-built computer; a Dell
    computer; and several computer storage media. Examination of the
    computers revealed more than 24,000 still images of child
    pornography and approximately 380 child pornography videos. Mr.
    Robertson agreed to speak to Detective Buhman during the search
    and admitted to viewing and downloading child pornography. But
    he denied re-sending or producing any pornography. Detective
    Buhman was eventually reassigned and Special Agent Benjamin Lee
    of the Utah Attorney General‘s Office took over the case.
    ¶ 7 Agent Lee concluded the investigation and decided to have
    the case screened for federal prosecution. Before moving forward
    with federal screening, Agent Lee sought approval from the
    Assistant Utah Attorney General who oversaw ICAC cases. Seeking
    such approval was standard protocol, and the Assistant Utah
    Attorney General had no objection. The State sought federal
    prosecution in order to obtain a more severe sentence.5
    ¶ 8 During federal screening, Agent Lee presented an attorney
    from the United States Attorney‘s Office with ten or eleven short
    digital videos depicting child pornography. Agent Lee testified that
    these videos ―would have been from the Dell computer.‖ The United
    States Attorney‘s Office concluded that there was probable cause to
    support federal prosecution.
    _____________________________________________________________
    2   Internet Crimes Against Children (ICAC) Task Force,
    http://attorneygeneral.utah.gov/justice/internet-crimes-against-
    children-icac-task-force (last updated Apr. 21, 2017).
    3   
    Id. 4 State
    v. Robertson, 
    2014 UT App 51
    , ¶ 2 n.1, 
    321 P.3d 1156
    .
    5 Mr. Robertson cites to Exhibit 1 from the August 15, 2012 bench
    trial that the ―Assistant Utah Attorney General told [Mr.]
    Robertson‘s ex-wife that the reason federal prosecution was pursued
    was to obtain a more severe sentence.‖
    3
    STATE v. ROBERTSON
    Opinion of the Court
    ¶ 9 Mr. Robertson was indicted by a federal grand jury in
    September 2009 on one count of possession of child pornography in
    violation of 18 U.S.C. section 2252A(a)(5)(B) (2008).6 The indictment
    charged Mr. Robertson with ―knowingly possess[ing] computer
    disks and other materials containing images of child pornography.‖
    The indictment also contained a forfeiture notice, requiring
    Mr. Robertson to ―forfeit to the United States . . . any and all
    property . . . used or intended to be used in any manner or part to
    commit and to facilitate the commission of a violation‖ of the federal
    child pornography criminal statute. The notice specifically identified
    the following property to be forfeited: the black custom tower, silver
    Dell tower, silver Maxtor external hard drive, Quantam Fireball,
    TDK CD-R Fresenius 11-5-08, and the CD-R 10/05 Latitude D505.
    Mr. Robertson ultimately pled guilty as charged and was sentenced
    to time served in jail (two days), five years of federally supervised
    release, and $75,000 in restitution to be paid to two victims.
    ¶ 10 Upon learning of the federal sentence, an Assistant Utah
    Attorney General contacted Agent Lee to ―discuss the possibility of
    filing state charges.‖ After reviewing the evidence, the Assistant
    Utah Attorney General decided to proceed with state prosecution of
    Mr. Robertson. The State charged him with twenty counts of sexual
    exploitation of a minor in violation of Utah Code section 76-5a-3.7
    _____________________________________________________________
    6  18 U.S.C. § 2252A(a)(5)(B) (2008) (making it a crime to
    ―knowingly possess[], or knowingly access[] with intent to view, any
    book, magazine, periodical, film, videotape, computer disk, or any
    other material that contains an image of child pornography that has
    been mailed, or shipped or transported using any means or facility
    of interstate or foreign commerce or in or affecting interstate or
    foreign commerce by any means, including by computer, or that was
    produced using materials that have been mailed, or shipped or
    transported in or affecting interstate or foreign commerce by any
    means, including by computer‖).
    7  Mr. Robertson was charged under the 2004 version of the
    statute. It has since been amended and renumbered as section 76-5b-
    201. The 2004 version of the statute stated that ―[a] person is guilty of
    sexual exploitation of a minor . . . when the person knowingly
    produces, distributes, possesses, or possesses with intent to
    distribute, child pornography . . . .‖ UTAH CODE § 76-5a-3(1)(a)
    (2004). It also made sexual exploitation of a minor a second-degree
    felony. 
    Id. § 76-5a-3(2).
    And made it a separate offense ―for each
    (Continued)
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                             Opinion of the Court
    These charges were based on eleven images or videos of child
    pornography found on each of his two computers.8 The probable
    cause statement initiating the State‘s case indicated that the State was
    prosecuting Mr. Robertson ―for the same criminal acts‖ as the federal
    prosecution, which the State claimed was permitted ―because
    prosecution under the laws of separate sovereigns does not subject a
    defendant to double jeopardy.‖
    ¶ 11 Mr. Robertson moved to dismiss the State charges, claiming
    that the State‘s prosecution violated his constitutional right to due
    process under the double jeopardy clause of the state and federal
    constitutions, violated Utah Code section 76-1-404‘s rule against
    double jeopardy, and was barred by the doctrines of res judicata and
    collateral estoppel. He also claimed that the State‘s prosecution was
    vindictive. The trial court denied Mr. Robertson‘s motion to dismiss,
    finding that the state prosecution following federal prosecution was
    permissible under current law and that the State‘s prosecution was
    not vindictive. As part of its order denying Mr. Robertson‘s motion,
    the court specifically found that Mr. Robertson‘s Utah prosecution
    was ―[b]ased on the same body of evidence‖ as his federal
    prosecution. Mr. Robertson filed a petition for interlocutory appeal,
    which was denied.
    ¶ 12 After a bench trial where Mr. Robertson did not contest his
    guilt, he was convicted and sentenced to twenty concurrent terms of
    one to fifteen years in prison. At the sentencing hearing, the trial
    court described the case as ―basically the same case that was had in
    federal court, it‘s based on the same facts.‖ The court decided not to
    treat the prior federal conviction as an aggravating factor, reasoning
    that the federal conviction is ―exactly the same case, same
    investigation, the same facts. . . . [and that] it would be unduly
    prejudicial . . . to consider it a prior criminal conviction when it‘s
    based on the same facts and circumstances.‖
    ¶ 13 Mr. Robertson appealed to the court of appeals, arguing
    ―that the dual sovereignty doctrine should not apply under the
    circumstances of this case and that his state court convictions are
    minor depicted‖ and ―each time the same minor is depicted in
    different child pornography.‖ 
    Id. § 76-5a-3(3).
       8 The record indicates that these charges ―were based on the
    admission of 11 child pornography images found in the ‗pictures‘
    folder on the custom computer and 11 child pornography videos
    found in the ‗My Videos‘ folder of the Dell computer.‖
    5
    STATE v. ROBERTSON
    Opinion of the Court
    therefore barred under the double jeopardy clauses of both the
    United States and Utah constitutions, as well as by state double
    jeopardy statutes and principles of res judicata.‖9 The court of
    appeals affirmed, holding that the Bartkus exception to the federal
    dual sovereignty doctrine did not apply,10 the Utah Constitution did
    not prevent the subsequent prosecution,11 and res judicata did not
    apply because ―the State and the federal government are not
    considered to be in privity for purposes of res judicata.‖ 12 In a
    footnote, the court noted that Mr. Robertson also sought relief
    pursuant to Utah Code section 76-1-404.13 The court recognized that
    we have interpreted this section to ―provide protections that are
    consistent with traditional double jeopardy principles‖ and
    concluded that the statute did not provide ―any greater protection
    than the constitutional provisions we have addressed herein.‖14 Mr.
    Robertson petitioned for certiorari, which we granted. We have
    jurisdiction pursuant to Utah Code section 78A-3-102(3)(a).
    Standard of Review
    ¶ 14 We granted certiorari to address whether the court of
    appeals erred in holding that Utah Code section 76-1-404 did not bar
    the State‘s subsequent prosecution of Mr. Robertson.15 ―On
    certiorari, we review the court of appeals‘ decision for correctness,‖
    which ―turns on whether that court accurately reviewed the trial
    _____________________________________________________________
    9   Robertson, 
    2014 UT App 51
    , ¶ 7.
    10   See 
    id. ¶¶ 9–15.
       11   See 
    id. ¶¶ 18–21.
       12   
    Id. ¶ 24.
       13   See 
    id. ¶ 21
    n.5.
    14   
    Id. (citing State
    v. Franklin, 
    735 P.2d 34
    , 37 (Utah 1987)).
    15 We also granted certiorari to review whether the court of
    appeals erred in holding that both the Utah and federal constitutions
    did not bar the State‘s subsequent prosecution. But because we
    conclude that the proper interpretation and application of section
    404 resolves this case, we do not reach the constitutional questions.
    See Utah Dep’t of Transp. v. Carlson, 
    2014 UT 24
    , ¶ 24, 
    332 P.3d 900
    (―Where possible, we decide cases ‗on the preferred grounds of
    statutory construction,‘ thereby avoiding analysis of underlying
    constitutional issues ‗unless required to do so.‘‖ (citation omitted)).
    6
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                                Opinion of the Court
    court‘s decision under the appropriate standard of review.‖16 ―The
    proper interpretation and application of a statute is a question of law
    [reviewed] for correctness.‖17
    Analysis
    ¶ 15 The double jeopardy clauses of both the Utah and federal
    constitutions limit the government‘s ability to prosecute or punish
    an individual multiple times for the same conduct.18 In general,
    ―[t]he prohibition against double jeopardy protects defendant[s]
    against three things: prosecution for the same offense after acquittal,
    prosecution for the same offense after conviction, and the infliction
    of multiple punishments for the same offense.‖19 These protections
    turn on whether the subsequent prosecution or punishment is for the
    ―same offense.‖ There are two analyses that guide our inquiry into
    whether two offenses are the ―same‖ under either constitution.
    ¶ 16 First, we employ the test announced by the United States
    Supreme Court in Blockburger v. United States20: two offenses are
    considered not the ―same‖ when each ―requires proof of a fact which
    the other does not.‖21 We adopted this same test for use in double
    jeopardy cases arising under the Utah Constitution in State v. Sosa.22
    There we stated that if ―the elements of [a defendant‘s] separate
    prosecutions differ, and either offense could have been established
    without establishing the other, the double jeopardy doctrine does
    not apply.‖23 Under this test, a lesser included offense is considered
    _____________________________________________________________
    16   State v. Visser, 
    2000 UT 88
    , ¶ 9, 
    22 P.3d 1242
    .
    17   Gutierrez v. Medley, 
    972 P.2d 913
    , 914–15 (Utah 1998).
    18 See U.S. CONST. amend. V (―[N]or shall any person be subject
    for the same offence to be twice put in jeopardy of life or limb . . . .‖);
    UTAH CONST. art. I, § 12 (―[N]or shall any person be twice put in
    jeopardy for the same offense.‖).
    19   State v. Franklin, 
    735 P.2d 34
    , 35 (Utah 1987).
    20   
    284 U.S. 299
    (1932).
    21   
    Id. at 304.
       22   
    598 P.2d 342
    (Utah 1979).
    23   
    Id. at 346.
    7
    STATE v. ROBERTSON
    Opinion of the Court
    the ―same offense‖ as the greater offense.24 We refer to this test,
    which ―emphasizes the elements of the two crimes,‖25 as the
    Blockburger-Sosa test.
    ¶ 17 Second, we look to whether the successive prosecution is
    undertaken by the same sovereign. ―[W]hen the same act
    transgresses the laws of two sovereigns, ‗it cannot be truly averred
    that the offender has been twice punished for the same offense; but
    only that by one act he has committed two offenses, for each of
    which he is justly punishable.‘‖26 Thus, even if two crimes would
    constitute the ―same offense‖ under the Blockburger-Sosa test, they
    are considered separate offenses if prosecuted by two separate
    sovereigns, such as with successive prosecutions for the same
    conduct under state and federal law. This is known as the ―dual
    sovereignty doctrine.‖27
    ¶ 18 These     two      analyses—Blockburger-Sosa      and    dual
    sovereignty—together determine whether a defendant has been
    prosecuted or punished for the ―same offense‖ under both federal
    and Utah constitutional law. Some states have departed from this
    approach by enacting statutes that limit the dual sovereignty
    doctrine.28 In these states, ―a prior federal prosecution is a complete
    bar to a subsequent prosecution by the state.‖29 The question before
    us today is whether our legislature in enacting Utah Code section 76-
    1-404 intended to similarly limit the dual sovereignty doctrine.
    ¶ 19 Our discussion of this issue proceeds in three parts. First, we
    discuss our prior interpretation of section 404, found in State v.
    Franklin, and conclude that we squarely held that section 404
    incorporated without limitation the dual sovereignty doctrine.
    Second, we discuss whether that interpretation should be overruled
    today. We hold that it should. We then interpret section 404‘s use of
    _____________________________________________________________
    24 See State v. Dyer, 
    671 P.2d 142
    , 147 (Utah 1983) (―A lesser
    included offense is treated the same as its corresponding greater
    offense under the double jeopardy clause.‖).
    25   
    Sosa, 598 P.2d at 346
    (citation omitted).
    26 
    Franklin, 735 P.2d at 36
    (quoting Heath v. Alabama, 
    474 U.S. 82
    ,
    88 (1985)).
    27   See 
    id. 28 See
    id. at 37.
    
       29   
    Id. at 38.
    8
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                               Opinion of the Court
    ―same offense‖ as incorporating only the Blockburger-Sosa test,
    though we note that the relevant units of prosecution help to inform
    courts as to the conduct at issue in the prosecutions. Finally, we
    determine that our decision to overrule Franklin will apply
    retroactively to cases pending on direct and collateral review and
    that, under the proper interpretation of section 404, the State was
    barred from prosecuting Mr. Robertson. Accordingly, we reverse the
    court of appeals‘ decision.
    I. In State v. Franklin, We Held that Section 76-1-404 Incorporated the
    Dual Sovereignty Doctrine
    ¶ 20 The heart of this case is the proper interpretation of Utah
    Code section 76-1-404. The statute reads as follows:
    If a defendant‘s conduct establishes the commission of
    one or more offenses within the concurrent jurisdiction
    of this state and of another jurisdiction, federal or state,
    the prosecution in the other jurisdiction is a bar to a
    subsequent prosecution in this state if:
    (1) the former prosecution resulted in an acquittal,
    conviction, or termination of prosecution, as those
    terms are defined in Section 76-1-403; and
    (2) the subsequent prosecution is for the same offense
    or offenses.
    We have addressed this statute only once, in State v. Franklin.30
    Because the parties dispute the precedential effect of our discussion
    of section 404 in Franklin, we will review our decision in that case in
    some detail.
    ¶ 21 The defendant in Franklin was ―an avowed racist‖ who
    ―shot and killed two black men who were jogging in Liberty Park
    with two white women.‖31 He was convicted in federal court ―of
    violating the civil rights of his victims,‖ a federal offense, and
    received two life sentences.32 ―After the federal prosecution,
    defendant was charged and tried by the State of Utah for two counts
    of first degree murder,‖ with the State seeking the death penalty.33
    _____________________________________________________________
    30   
    735 P.2d 34
    (Utah 1987).
    31   
    Id. at 35.
       32   
    Id. 33 Id.
    9
    STATE v. ROBERTSON
    Opinion of the Court
    ―The jury in Utah district court convicted defendant, but was unable
    to reach a unanimous verdict for death,‖ so the defendant was
    sentenced ―to two consecutive life terms to be served at the end of
    the federal sentences.‖34
    ¶ 22 On appeal, the defendant claimed that his subsequent ―trial
    in state court after his conviction in federal court violated the
    prohibitions against double jeopardy contained in the United States
    Constitution and in the Utah Constitution and Code‖—section 76-1-
    404.35 We first analyzed whether the two prosecutions were for the
    ―same offense‖ under the Blockburger-Sosa test, which looks to
    whether the two offenses were ―defined by the same legal
    elements.‖36 We concluded that ―[e]ach of the offenses of which
    defendant ha[d] been convicted require[d] proof of facts that the
    other does not.‖37 For the civil rights violation, the federal prosecutor
    had to prove that the ―defendant, by threat or force, willfully
    injured, intimidated, or interfered with another person because of
    the other‘s race, color, or national origin and because he was
    enjoying a benefit, service, privilege, program, or activity provided
    or administrated by a state.‖38 But for the state offenses, the
    prosecutor was required to prove that the defendant ―intentionally
    or knowingly kill[ed] both victims at the same time or in a manner
    that endangered the lives of persons other than himself or his
    victims.‖39 ―Thus, the federal and state statutes under which
    defendant was convicted require[d] proof of different elements and
    d[id] not define the same offense‖—i.e., they were not the ―same
    offense‖ under Blockburger-Sosa.40
    ¶ 23 Having reviewed whether the offenses were the same under
    the Blockburger-Sosa analysis, we then proceeded to the second
    analysis of whether the two offenses were the same: the dual
    sovereignty doctrine, which looks to whether the offenses were
    against the same sovereign. We concluded that ―[d]efendant‘s
    _____________________________________________________________
    34   
    Id. 35 Id.
       36   
    Id. at 35–36.
       37   
    Id. at 36.
       38   
    Id. 39 Id.
       40   
    Id. 10 Cite
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                              Opinion of the Court
    convictions [were] also separate offenses because they were imposed
    under the laws of different sovereigns‖—federal and state.41 We
    disagreed with the defendant‘s argument that the Utah Constitution
    should be interpreted as rejecting the dual sovereignty doctrine,
    expressing concern that such a rejection would ―surrender[] state
    sovereignty in exchange for a more theoretical than real gain in
    individual rights.‖42 We also rejected his argument that Utah Code
    section 76-1-404 provided greater protections than those afforded by
    either the Utah or United States constitutions.43
    ¶ 24 The defendant in Franklin argued that we should ―abandon
    the dual sovereignty doctrine‖ because section 76-1-404 ―compels
    that result.‖44 In our discussion of section 404, we noted that the
    protections offered by the statute turned on the meaning of ―same
    offense.‖45 This was crucial to our analysis for, ―[w]hen the
    legislature uses a word with a well-established legal meaning, we
    assume that the legislature is aware of that meaning and has used
    the word in its proper sense.‖46 We compared section 404 to the
    preceding statutory section, discussing how that section, which deals
    with offenses arising out of the same criminal episode, does not use
    the specific term ―same offense,‖ a well-established term of art.47
    Thus, we concluded that the statutes indicated ―the legislature‘s
    awareness of double jeopardy terminology and its intent to use that
    terminology precisely.‖48 Ultimately, we held that section 404 should
    be viewed ―as a legislative codification of traditional double
    jeopardy interpretation,‖ which included the dual sovereignty
    doctrine.49
    ¶ 25 Mr. Robertson argues that this second holding, our
    conclusion that section 404‘s use of ―same offense‖ evidenced the
    _____________________________________________________________
    41   Id.
    42   
    Id. at 38.
       43   
    Id. at 37.
       44   
    Id. at 36.
       45   
    Id. at 37.
       46   
    Id. 47 See
    id. (discussing UTAH 
    CODE § 76-1-403).
    48   
    Id. 49 Id.
    11
    STATE v. ROBERTSON
    Opinion of the Court
    legislative intent to incorporate both a Blockburger-Sosa analysis as
    well as the dual sovereignty doctrine, is dicta. ―For a decision to
    become precedent and trigger stare decisis, ‗it must be (1) [a]
    deliberate or solemn decision of a court or judge [2] made after
    argument of a question of law fairly arising in a case, and [3]
    necessary to its determination.‘‖50 Our interpretation of section 404
    in Franklin was a deliberate decision that we made after taking
    argument on that issue. The issue raised by Mr. Robertson is
    whether that decision was necessary to our determination. As he
    argues, because we had already concluded that the two offenses
    were not the ―same offense‖ under Blockburger-Sosa, any discussion
    of dual sovereignty was extraneous to our discussion and ultimately
    not necessary for our decision. We reject this argument, as it
    misconstrues both the meaning of ―necessary‖ and the relevant
    double jeopardy principles.
    ¶ 26 When we say that a holding is binding only when it is
    ―necessary,‖ we do not mean that the holding must be the singular
    basis for our ultimate decision. Courts ―often confront cases raising
    multiple issues that could be dispositive, yet they find it appropriate
    to resolve several, in order to avoid repetition of errors on remand or
    provide guidance for future cases. Or, [courts] will occasionally find
    it appropriate to offer alternative rationales for the results they
    reach.‖51 Were we to require that a holding must be necessary in
    some strict, logical sense before it becomes binding precedent, then
    every time we articulated alternative bases for a decision we would
    convert our opinion into dicta, for none of the alternative bases are
    strictly necessary for the outcome. ―[L]awyers advising their clients
    would have to guess whether a later [court] will recognize a ruling
    that is directly on point as also having been necessary. We decline to
    introduce such uncertainty into the law . . . .‖52
    ¶ 27 Instead, ―necessary‖ ―means only that the court undeniably
    decided the issue, not that it was unavoidable for it do so.‖53 As the
    Ninth Circuit stated:
    _____________________________________________________________
    50 Q-2 L.L.C. v. Hughes, 
    2016 UT 8
    , ¶ 11, 
    368 P.3d 86
    (alterations in
    original) (citation omitted).
    51 United States v. Johnson, 
    256 F.3d 895
    , 914 (9th Cir. 2001)
    (footnote omitted).
    52   
    Id. at 915.
       53   
    Id. 12 Cite
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                               Opinion of the Court
    Of course, not every statement of law in every opinion
    is binding . . . . Where it is clear that a statement is
    made casually and without analysis, where the
    statement is uttered in passing without due
    consideration of the alternatives, or where it is merely a
    prelude to another legal issue that commands the
    [court‘s] full attention, it may be appropriate to re-visit
    the issue in a later case. . . . Where, on the other hand, it
    is clear that a majority of the [court] has focused on the
    legal issue presented by the case before it and made a
    deliberate decision to resolve the issue, that ruling
    becomes the law . . . .54
    Thus, when this court ―confronts an issue germane to the eventual
    resolution of the case, and resolves it after reasoned consideration in
    a published opinion, that ruling becomes the law of the [state],
    regardless of whether doing so is necessary in some strict logical
    sense.‖55
    ¶ 28 As discussed above, under traditional double jeopardy
    jurisprudence, the Blockburger-Sosa analysis and the dual sovereignty
    doctrine must both be satisfied for two offenses to be considered the
    same. In other words, two offenses are the same when they require
    proof of the same facts and are prosecuted by the same sovereign.
    Conversely, two offenses are not the same where each requires proof
    of a fact that the other does not or where they have been prosecuted
    by two different sovereigns. Failing either analysis means the
    offenses cannot be considered the ―same‖ and, therefore, prosecution
    of both offenses is not barred by double jeopardy. In Franklin, we
    determined that the offenses were not the same under either analysis
    and that nothing in section 404 altered that result. As our discussion
    of one analysis did not preclude the consideration of the other, both
    analyses—Blockburger-Sosa and dual sovereignty—were germane to
    our ultimate decision. Thus, our second holding in Franklin, which
    specifically incorporated the dual sovereignty doctrine into our
    interpretation of section 76-1-404, was not dicta but an alternative
    holding that justified the result we reached. Accordingly, it is
    binding precedent. We turn now to the issue of whether that
    precedent should be overruled.
    _____________________________________________________________
    54   
    Id. at 915–16.
       55   
    Id. at 914.
    13
    STATE v. ROBERTSON
    Opinion of the Court
    II. We Hold that ―Same Offense‖ in Section 76-1-404 Incorporates the
    Blockburger-Sosa Test but Rejects the Dual Sovereignty Doctrine,
    Overruling in Part State v. Franklin
    ¶ 29 Having clarified the precedential value of State v. Franklin,56
    we now discuss whether our decision therein that Utah Code section
    76-1-404 incorporated the dual sovereignty doctrine should be
    overruled. We do not overrule a prior interpretation of a statute
    lightly, out of respect for the stare decisis principles of
    ―predictability and fairness.‖57 But even though overruling a prior
    interpretation of a statute is an ―unusual step,‖58 ―[t]he doctrine of
    stare decisis . . . ‗is neither mechanical nor rigid as it relates to courts
    of last resort.‘‖59 As we discuss below, we believe that the portion of
    Franklin interpreting the ―same offense‖ language of section 404 to
    incorporate the dual sovereignty doctrine should be overruled. We
    hold today that ―same offense,‖ as used in section 404, should be
    interpreted as incorporating only the Blockburger-Sosa test and that
    section 404 is an express rejection of the dual sovereignty doctrine.
    A. We Are Persuaded that Franklin’s Interpretation of
    Section 76-1-404 Should Be Overruled
    ¶ 30 We consider at least three factors when deciding whether to
    overrule a prior interpretation of a statute: ―the plausibility of the
    existing interpretation given the statute, the degree to which that
    interpretation has worked itself into the state of the law, and the
    strength of the arguments for changing that interpretation.‖60 We
    discuss each factor below and conclude that they weigh in favor of
    overruling State v. Franklin.
    1. The plausibility of the existing interpretation
    ¶ 31 The first factor that we consider is ―the plausibility of the
    existing interpretation given the statute.‖61 This factor is analogous
    _____________________________________________________________
    56   
    735 P.2d 34
    (Utah 1987).
    57 See State v. Guard, 
    2015 UT 96
    , ¶ 33, 
    371 P.3d 1
    (citation
    omitted).
    58 Hackford v. Utah Power & Light Co., 
    740 P.2d 1281
    , 1283 (Utah
    1987).
    59   Guard, 
    2015 UT 96
    , ¶ 33 (citation omitted).
    60  A.C. Fin., Inc. v. Salt Lake Cty., 
    948 P.2d 771
    , 775 (Utah 1997)
    (citation omitted).
    61   
    Id. (citation omitted).
    14
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                                Opinion of the Court
    to the first factor we consider when deciding whether to overrule
    common law precedent: ―the persuasiveness of the authority and
    reasoning on which the precedent was originally based.‖62 In either
    case, we are looking to determine whether our prior decision
    properly considered the relevant arguments and reached a
    persuasive conclusion.63 In the statutory interpretation context, this
    means we consider whether the prior interpretation is ―[]reasonable
    given the statutory framework in existence at that time.‖64
    ¶ 32 Our interpretation of section 404 in Franklin is undermined
    by the fact that we did not consider in any great depth any of the
    language of the statute other than the phrase ―same offense.‖65
    Although we noted that ―same offense‖ was a term of art with
    particular meaning in the double jeopardy context and was
    intentionally used as a term of art in the statute, we did not examine
    whether the legislature intended to modify or limit the definition of
    that term of art. A familiar canon of statutory construction is that the
    context of a statute may eliminate potential interpretations of a
    statutory phrase.66 And a possible interpretation of a statutory term
    that ―undercut[s] the express language‖67 of the statute must be
    rejected because ―we give effect to every word of a statute, avoiding
    ‗[a]ny interpretation which renders parts or words in a statute
    inoperative or superfluous.‘‖68
    ¶ 33 The language of section 76-1-404 plainly bars a Utah
    prosecution if the defendant has already been prosecuted for the
    same offense in another jurisdiction.69 Thus, the language operates as
    _____________________________________________________________
    62   Guard, 
    2015 UT 96
    , ¶ 34 (citation omitted).
    63   See 
    id. ¶ 48.
       64   A.C. 
    Fin., 948 P.2d at 775
    .
    65   See 
    Franklin, 735 P.2d at 37
    .
    66 See Olsen v. Eagle Mountain City, 
    2011 UT 10
    , ¶ 13, 
    248 P.3d 465
    (―The fact that the statutory language may be susceptible of multiple
    meanings does not render it ambiguous; ‗all but one of the meanings
    is ordinarily eliminated by context.‘‖ (citation omitted)).
    67   
    Id. ¶ 18.
       68 Turner v. Staker & Parson Cos., 
    2012 UT 30
    , ¶ 12, 
    284 P.3d 600
    (alteration in original) (citation omitted).
    69See UTAH CODE § 76-1-404 (―If a defendant‘s conduct establishes
    the commission of one or more offenses within the concurrent
    (Continued)
    15
    STATE v. ROBERTSON
    Opinion of the Court
    a limitation on the dual sovereignty doctrine, which permits a
    defendant to be prosecuted for the same offense in two or more
    jurisdictions so long as the prosecutions are conducted by different
    sovereigns.70 Indeed, far from incorporating the dual sovereignty
    doctrine, the statute does just the opposite—it acts as an express,
    legislative rejection of that doctrine. Interpreting the statute to
    incorporate the dual sovereignty doctrine, i.e., that it permits a Utah
    prosecution to follow prosecution for the same offense in another
    jurisdiction, requires us to read a meaning into the text that is
    directly contradicted by the text itself. We cannot think of an
    instance where a prosecution in another jurisdiction would not also
    necessarily involve prosecution by another sovereign.71 Our
    jurisdiction of this state and of another jurisdiction, federal or state,
    the prosecution in the other jurisdiction is a bar to a subsequent
    prosecution in this state if‖ the statute‘s two requirements are met.).
    70   See 
    Franklin, 735 P.2d at 36
    .
    71 The State argues that our incorporation of the dual sovereignty
    doctrine is plausible because section 404‘s prohibition of multiple
    prosecutions for the ―same offense‖ ―within the concurrent
    jurisdiction of this state and of another jurisdiction‖ can be
    interpreted as prohibiting multiple prosecutions across multiple
    jurisdictions of a violation of a single jurisdiction‘s criminal statute.
    In other words, the statute is limited to instances where the State
    attempts to prosecute an individual in Utah court under the exact
    same criminal statute—whether state or federal—that the individual
    has already been prosecuted under in another jurisdiction. Thus, in
    the State‘s view, the incorporation of the dual sovereignty did not
    render the statute superfluous because it still provides some limited
    protections to defendants. The flaw with this argument is that a
    federal offense cannot be prosecuted in a state court, see 18 U.S.C.
    § 3231 (―The district courts of the United States shall have original
    jurisdiction, exclusive of the courts of the States, of all offenses
    against the laws of the United States.‖); a state offense generally
    cannot be prosecuted in federal courts, see Beal v. Missouri Pac. R.R.
    Corp., 
    312 U.S. 45
    , 49–50 (1941) (―The federal courts are without
    jurisdiction to try alleged criminal violations of state statutes.‖), but
    see 28 U.S.C. § 1442 (permitting the removal to federal court of a
    ―criminal prosecution that is commenced in a State court‖ of a
    federal officer); and a violation of one state‘s criminal laws cannot be
    prosecuted in another state, see U.S. CONST. art. IV, § 2. There is no
    possibility that a defendant can be prosecuted under the same
    criminal statute by different sovereigns in different jurisdictions. To
    (Continued)
    16
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                                Opinion of the Court
    interpretation in Franklin renders the statute a superfluity. Because
    our decision in Franklin did not grapple with this apparent
    incongruity, its interpretation of section 404 is accordingly less
    persuasive and plausible. We turn now to the second factor.
    2. The degree to which the prior interpretation has worked itself into
    the law
    ¶ 34 The second factor we consider in deciding whether to
    overrule a prior interpretation of a statute is ―the degree to which
    that interpretation has worked itself into the state of the law.‖ 72 This
    requires weighing ―whether the interpretation in question has
    become settled in the minds of the bench and bar‖ and ―the degree
    to which the interpretation, however old, has been woven into the
    fabric of the law.‖73 This factor corresponds with the second factor
    considered in deciding whether to overrule common law precedent:
    ―how firmly the precedent has become established in the law since it
    was handed down,‖ which looks to ―the age of the precedent, how
    well it has worked in practice, its consistency with other legal
    principles, and the extent to which people‘s reliance on the
    precedent would create injustice or hardship if it were overturned.‖74
    Ultimately, we are concerned with whether overruling our precedent
    would upend broad swaths of the legal landscape.
    ¶ 35 Mr. Robertson argues that Franklin, while almost thirty years
    old, has not been ―woven into the fabric of the law‖ because it has
    never again been cited for its interpretation of section 76-1-404.
    Although it is true that section 404 has only been addressed by Utah
    courts twice—once in Franklin and again in this case—and the dual
    sovereignty doctrine has only been addressed three times—Franklin,
    this case, and State v. Byrns,75 a court of appeals case that did not
    address section 404—this evidence is unpersuasive. In A.C. Financial,
    Inc. v. Salt Lake County, the appellant ―point[ed] to the fact that Black
    [the prior case interpreting a statute] ha[d] been infrequently cited
    interpret section 404 in this way would only further confirm that our
    prior interpretation of the statute in Franklin rendered it a
    superfluity, providing hypothetical protections against currently
    impossible scenarios.
    72   A.C. 
    Fin., 948 P.2d at 775
    (citation omitted).
    73   
    Hackford, 740 P.2d at 1285
    .
    74   Guard, 
    2015 UT 96
    , ¶ 34 (citations omitted).
    75   
    911 P.2d 981
    (Utah Ct. App. 1995).
    17
    STATE v. ROBERTSON
    Opinion of the Court
    and argue[d] that the rule of Black ha[d] not become firmly rooted in
    the state of the law and that abandoning it would have little
    impact.‖76 We rejected this argument, stating that ―[i]t is impossible
    to say whether the dearth of citations indicates that the Black
    [interpretation] is little known or rather that it has been consistently
    assumed to be valid to the extent that it has not been directly
    challenged.‖77 The same holds true here: Franklin is clear, and the
    lack of any subsequent discussion of its holding may simply be the
    result of prosecutors and defendants accepting its interpretation of
    section 404.
    ¶ 36 Although the lack of citations is generally inconclusive,
    there are other ways of determining whether a particular
    interpretation has worked its way into the law. For example, in A.C.
    Financial, the prior interpretation had created a ―widely accepted
    rule‖ that was repeatedly recognized in later cases.78 We also noted
    that the general public had apparently accepted our interpretation,
    as demonstrated by the fact that ―many mortgages and trust
    deeds . . . contain[ed] multiple provisions‖ directly related to the rule
    we had adopted.79 Such acts showed a general acceptance of the
    prior interpretation and reliance on that interpretation by the public
    in settling their affairs. There is no such evidence in this case.
    ¶ 37 There are no other cases reaffirming the interpretation we
    adopted in Franklin. There are no other statutes or common law
    doctrines that depend on or otherwise incorporate our interpretation
    of section 404. And we are not persuaded that there is any great
    reliance on Franklin‘s interpretation of section 404. There are no
    contractual, property, or similar vested rights created by our
    interpretation of section 404 that would be undermined by departing
    from Franklin today. Indeed, the effects of a departure from our
    interpretation in Franklin are both obvious and narrow: the State
    would be prohibited from prosecuting a defendant who has already
    been prosecuted in another jurisdiction for the same offense. 80 Thus,
    _____________________________________________________________
    
    76 948 P.2d at 775
    –76.
    77   
    Id. at 776.
       78   
    Id. 79 Id.
       80  It is worth noting that, even though we overrule Franklin in part
    today, the State still remains free to prosecute a defendant so long as
    it is either the first jurisdiction to do so or the Utah offenses are not
    (Continued)
    18
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                                Opinion of the Court
    ―while [Franklin‘s] interpretation is settled, it is not so enmeshed in
    the substance of the law that it could not easily be changed without
    having many unanticipated ramifications and without conflicting
    with real or presumed legislative intentions.‖81 This factor
    accordingly weighs in favor of overruling Franklin. We turn now to
    the third factor.
    3. The strength of         the   arguments     for   changing   the   prior
    interpretation
    ¶ 38 The third factor we look to when deciding whether to
    overrule a prior interpretation of a statute is ―the strength of the
    arguments for changing that interpretation.‖82 Under this factor we
    inquire whether ―more good than harm will come by departing from
    precedent.‖83 We do so by looking to policy arguments and
    ―practical factors‖ that inform our careful consideration of where the
    departure from precedent will lead us.84
    ¶ 39 The State argues that our prior interpretation of section 76-1-
    404 should be upheld because it best protects the interests of the
    State of Utah and its citizens. The State claims that if we interpret
    section 404 as rejecting the dual sovereignty doctrine, we would be
    ―relinquish[ing] unnecessarily the power of the State to try and
    punish those who break its laws‖ based on prosecutions in other
    jurisdictions that may not satisfy Utah‘s sovereign interests.85 It also
    argues that because the federal government remains free to
    prosecute an individual after a Utah prosecution, we would ―be
    surrendering state sovereignty in exchange for a more theoretical
    than real gain in individual rights.‖86
    ¶ 40 Although the State‘s arguments have some merit—indeed,
    these were the very reasons why we originally incorporated the dual
    the same as those for which the defendant has already been
    prosecuted.
    81   
    Hackford, 740 P.2d at 1285
    .
    82   A.C. 
    Fin., 948 P.2d at 775
    (citation omitted).
    83ASC Utah, Inc. v. Wolf Mountain Resorts, L.C., 
    2010 UT 65
    , ¶ 23,
    
    245 P.3d 184
    (citation omitted).
    84   
    Hackford, 740 P.2d at 1286
    .
    85   See 
    Franklin, 735 P.2d at 38
    .
    86   
    Id. 19 STATE
    v. ROBERTSON
    Opinion of the Court
    sovereignty doctrine into section 404—they do not outweigh our
    duty to respect our constitutionally limited role as interpreters and
    not creators of statutory law. Our constitution vests the legislative
    power of the State in the legislature and legal voters.87 ―The
    legislative power is . . . defined by the work product it
    generates[:] . . . rules of general applicability.‖88 These statutes or
    ordinances ―set[] the governing standard for all cases coming within
    [their] terms.‖89 The judicial power, on the other hand, is limited to
    ―resolving specific disputes between parties as to the applicability of
    the law to their actions.‖90 We respect the constitutional separation
    of powers by interpreting and applying legislation according to what
    appears to be the legislature‘s intent, neither ―infer[ring] substantive
    terms into the text that are not already there‖ nor taking away from
    the statutory text by ignoring it or rendering it superfluous. 91
    ¶ 41 As we discussed above, the plain language of Utah Code
    section 76-1-404 indicates a legislative intent to preclude
    prosecutions by the State following a prosecution of the same offense
    in another jurisdiction. Thus, the intent of section 404 is to limit the
    dual sovereignty doctrine in Utah. To interpret the language ―same
    offense‖ as incorporating the dual sovereignty doctrine would
    negate the intent of the statute, leaving it entirely superfluous.
    Indeed, if the statute provides no greater protections than those
    offered by the federal and Utah constitutions—protections which
    have long been recognized in our law—it is a pure redundancy. We
    assume the legislature intended something by enacting section 404,
    and we assume that intent is expressed in the language of the statute.
    We have ―no power to rewrite [a] statute to conform to an intention
    not expressed.‖92 Despite the policy reasons we pointed to as
    support for our original interpretation in Franklin, it is ultimately not
    within our power to nullify a statute on policy grounds; indeed, to
    _____________________________________________________________
    87   See UTAH CONST. art. VI, § 1(1)–(2).
    88   Carter v. Lehi City, 
    2012 UT 2
    , ¶ 36, 
    269 P.3d 141
    .
    89   
    Id. 90 Id.
    ¶ 37.
    91 Associated Gen. Contractors v. Bd. of Oil, Gas & Mining, 
    2001 UT 112
    , ¶ 30, 
    38 P.3d 291
    (citation omitted).
    92   
    Id. (citation omitted).
    20
    Cite as: 
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                                Opinion of the Court
    do so ―would be an unwarranted assumption of legislative
    authority.‖93
    ¶ 42 Further, there are policy reasons that favor an expansion of
    double jeopardy principles. As the United States Supreme Court
    stated:
    The underlying idea, one that is deeply ingrained in at
    least the Anglo-American system of jurisprudence, is
    that the State with all its resources and power should
    not be allowed to make repeated attempts to convict an
    individual for an alleged offense, thereby subjecting
    him to embarrassment, expense and ordeal and
    compelling him to live in a continuing state of anxiety
    and insecurity, as well as enhancing the possibility that
    even though innocent he may be found guilty.94
    Double jeopardy principles provide vital protections to individuals,
    and the legislature‘s apparent intent to expand such protections
    beyond the constitutional minimum should be respected. These
    considerations—separation of powers and double jeopardy
    principles—are compelling arguments in favor of abandoning our
    prior interpretation of section 404.
    ¶ 43 Each of the three factors discussed above weighs in favor of
    overruling our prior interpretation that section 76-1-404 incorporated
    the dual sovereignty doctrine. Although we are generally reluctant
    to overrule precedent, this case is a prime example of a circumstance
    where revisiting a prior decision is both justified and appropriate.
    Accordingly, we hereby overrule our holding in Franklin that section
    76-1-404 is simply ―a legislative codification of traditional double
    jeopardy interpretation,‖95 including the dual sovereignty doctrine.96
    We turn now to the appropriate meaning of that section.
    _____________________________________________________________
    93State v. Davis, 
    184 P. 161
    , 165 (Utah 1919) (Thurman, J.,
    concurring).
    94   Green v. United States, 
    355 U.S. 184
    , 187–88 (1957).
    95   
    Franklin, 735 P.2d at 37
    .
    96  The court of appeals below briefly noted that section 404
    ―provide[s] protections that are consistent with traditional double
    jeopardy principles‖ and concluded that it did not need to analyze
    the statute as distinct from the constitutional claims it addressed.
    State v. Robertson, 
    2014 UT App 51
    , ¶ 21 n.5, 
    321 P.3d 1156
    . Under our
    (Continued)
    21
    STATE v. ROBERTSON
    Opinion of the Court
    B. Section 76-1-404’s Inclusion of “Same Offense” Incorporates
    the Blockburger-Sosa Test
    ¶ 44 Utah Code section 76-1-404 states that ―[i]f a defendant‘s
    conduct establishes the commission of one or more offenses within
    the concurrent jurisdiction of this state and of another
    jurisdiction, federal or state, the prosecution in the other jurisdiction
    is a bar to a subsequent prosecution in this state if‖ two conditions
    are satisfied. First, the prior prosecution must have ―resulted in an
    acquittal, conviction, or termination of prosecution, as those terms
    are defined in Section 76-1-403.‖ Second, the subsequent Utah
    prosecution must be ―for the same offense or offenses.‖ The central
    issue in this case is what the legislature meant by ―same offense or
    offenses.‖
    ¶ 45 As we recognized in Franklin, ―[w]hen the legislature uses a
    word with a well-established legal meaning, we assume that the
    legislature is aware of that meaning and has used the word in its
    proper sense.‖97 Our determination in Franklin that ―same offense‖
    was a term of art that had particular meaning in the double jeopardy
    context is still correct. The legislature‘s use of the term ―same
    offense‖ as a specific condition of the protections offered by section
    404 ―is indicative of the legislature‘s awareness of double jeopardy
    terminology and its intent to use that terminology precisely.‖98
    Indeed, the prior version of section 404, in effect until 1973, stated
    that a prior ―criminal prosecution under the laws of a state,
    government, or country, founded upon the act or omission in respect
    to which he is on trial‖ in Utah was ―a sufficient defense.‖ 99 The
    legislature amended the statute, changing the more general language
    of ―act or omission in respect to which he is on trial‖ to that of ―same
    offense or offenses,‖ deliberately invoking the double jeopardy term
    of art. Thus, though we have overruled our narrow conclusion in
    Franklin that the term ―same offense‖ incorporated the dual
    prior interpretation of the statute, the court was entirely correct in its
    approach. And as it had no power to review or alter our holding in
    Franklin, it was bound to follow our instruction that section 404
    merely codified the dual sovereignty constitutional analysis.
    Although we depart from our prior interpretation today, we do not
    fault the court in any way for its application of section 404.
    
    97 735 P.2d at 37
    .
    98   
    Id. 99 UTAH
    CODE § 76-1-25 (1972).
    22
    Cite as: 
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                                Opinion of the Court
    sovereignty doctrine, we reaffirm the more general point that ―same
    offense,‖ as used in section 404, is a term of art.
    ¶ 46 ―Generally, absent express direction to the contrary, we
    presume that a term of art used in a statute is to be given its usual
    legal definition.‖100 Section 404 contains such direction. As has been
    discussed, the term ―same offense‖ connotes two separate analyses:
    the Blockburger-Sosa test and the dual sovereignty doctrine. It is
    impossible to incorporate both of these approaches into the statute,
    however, because incorporation of the dual sovereignty doctrine
    renders the statute a nullity—both permitting and forbidding
    subsequent Utah prosecutions for the ―same offense‖—and ignores
    the unmistakable legislative intent to limit the dual sovereignty
    doctrine. Thus, ―all but one of the meanings [has been] eliminated by
    context‖101 and section 404‘s use of the term of art ―same offense‖
    incorporates only the Blockburger-Sosa test. We accordingly hold that,
    under section 404, a court must determine whether a prior foreign
    prosecution and a subsequent Utah prosecution are for the same
    offense using the Blockburger-Sosa test—whether the two statutory
    offenses each require proof of a fact that the other does not.
    ¶ 47 The State urges us to modify the Blockburger-Sosa test by
    looking not only to the elements of the two criminal offenses, but
    also to the applicable ―unit of prosecution.‖ Under the State‘s
    approach, ―the laws of different sovereigns cannot fairly be
    considered the ‗same‘—even if elementally identical in the
    Blockburger sense—if the unit of prosecution of one is different than
    the other.‖ For the reasons discussed below, however, we disagree.
    Although the relevant units of prosecution may inform the question
    of what specific conduct the State is seeking to prosecute the
    defendant for, and whether that conduct is the same as that for
    which the defendant has already been prosecuted in another
    jurisdiction, the fact that two criminal statutes identify two different
    units of prosecution does not mean that the offenses are different
    under Blockburger-Sosa for purposes of section 404.
    ¶ 48 ―The allowable unit of prosecution for an offense
    determines whether a perpetrator‘s conduct constitutes one or more
    violations of that offense.‖102 In essence, the unit of prosecution
    _____________________________________________________________
    100   Kelson v. Salt Lake Cty., 
    784 P.2d 1152
    , 1156 (Utah 1989).
    101   Olsen, 
    2011 UT 10
    , ¶ 13 (citation omitted).
    102   State v. Rasabout, 
    2015 UT 72
    , ¶ 8, 
    356 P.3d 1258
    .
    23
    STATE v. ROBERTSON
    Opinion of the Court
    defines the minimum amount of conduct necessary to constitute a
    single violation of a particular criminal statute. ―A unit of
    prosecution can be either an act or a course of conduct,‖ depending
    on the relevant statute.103 We recently explained how units of
    prosecutions can differ, using the example of child pornography:
    It is a crime to ―intentionally . . . view [ ] child
    pornography.‖ If a perpetrator views multiple images
    of multiple victims over a period of time, how many
    times has he committed the offense? Perhaps there is
    one violation for each viewing session, regardless of
    the number of images or victims. Or maybe there is one
    violation for each victim or one for each image. The
    allowable unit of prosecution provided by the offense
    resolves this question.104
    The State argues that, so long as two criminal statutes have different
    units of prosecution, they can never be considered the ―same
    offense‖ under section 404.
    ¶ 49 The problem with this argument is that section 404 looks to
    whether ―a defendant‘s conduct establishes the commission of one or
    more offenses‖ that are ―the same offense.‖105 One statute may
    employ a different unit of prosecution and thereby measure the
    conduct necessary to constitute an offense differently than another
    statute. But even though the statutes measure the relevant conduct
    differently—such as by measuring the number of victims portrayed
    in child pornography instead of the number of child pornography
    images viewed—it may well be the same conduct that is at issue in
    both prosecutions.
    ¶ 50 Section 404 requires us to determine whether the defendant
    has been prosecuted for the same conduct constituting the same
    offense in another jurisdiction. And while the relevant units of
    prosecution help inform us as to what specific conduct the defendant
    was already prosecuted for, they do not answer the question of
    whether ―the subsequent prosecution is for the same offense or
    offenses.‖106 That question is answered by using the Blockburger-Sosa
    _____________________________________________________________
    103   State v. Hall, 
    230 P.3d 1048
    , 1051 (Wash. 2010).
    104Rasabout, 
    2015 UT 72
    , ¶ 8 (alterations in original) (citation
    omitted).
    105   UTAH CODE § 76-1-404 (emphasis added).
    106   
    Id. § 76-1-404(2).
    24
    Cite as: 
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                               Opinion of the Court
    test. An analysis of the units of prosecution and the underlying
    evidence goes only to the question of whether it is the same conduct
    at issue in each prosecution. An example from the United States
    Supreme Court helps to illuminate this principle.
    ¶ 51 In Brown v. Ohio, the Supreme Court had to determine
    whether the prosecution of a lesser-included offense encompassed
    the same conduct as was subsequently prosecuted.107 The defendant,
    Mr. Brown, had stolen a car on November 29, 1973, and was caught
    driving the car nine days later, on December 8, 1973.108 He was first
    charged with and prosecuted for joyriding—taking or operating a
    vehicle without the owner‘s consent—to which he pled guilty and
    was sentenced to thirty days in jail and a $100 fine. 109 After serving
    his sentence for joyriding, he was charged with auto theft—joyriding
    with the intent to permanently deprive the owner of possession—to
    which he pled guilty on the condition that the court consider his
    claim of double jeopardy.110 The court overruled the double jeopardy
    objection, and the Ohio Court of Appeals affirmed.111 Although the
    appellate court recognized that the two offenses were the same
    under Blockburger, it held that the subsequent prosecution was
    permissible because the prosecutions were based on different acts
    that occurred on different days—a theft occurring on November 29
    and a joyride occurring on December 8.112 The Supreme Court
    reversed.
    ¶ 52 The Court held that the court of appeals was correct in
    concluding that the two offenses were the same under the traditional
    Blockburger test.113 It disagreed, however, that the conduct
    underlying the two charges was different.114 Because Ohio law
    defined the relevant unit of prosecution such that ―the theft and
    operation of a single car [was] a single offense,‖ the first conviction
    _____________________________________________________________
    107   
    432 U.S. 161
    (1977).
    108   
    Id. at 162.
       109   
    Id. 110 Id.
    at 162–63.
    111   
    Id. at 163.
       112   
    Id. at 163–64.
       113   
    Id. at 168–69.
       114   
    Id. at 169.
    25
    STATE v. ROBERTSON
    Opinion of the Court
    for joyriding necessarily included the same conduct at issue in the
    second, for auto theft.115 The Court noted that the case would be
    different ―if the Ohio Legislature had provided that joyriding is a
    separate offense for each day in which a motor vehicle is operated
    without the owner‘s consent,‖116 i.e., if the relevant unit of
    prosecution narrowly defined the conduct necessary to establish an
    offense so that the charge of joyriding did not encompass all of the
    relevant criminal conduct. The same type of analysis applies under
    section 76-1-404.
    ¶ 53 Accordingly, section 404 requires courts to analyze two
    separate issues to determine whether the statute prohibits a
    subsequent Utah prosecution: first, whether the offenses are the
    same under Blockburger-Sosa. If not, then section 404‘s protections do
    not apply. But if so, the court must also determine whether the
    conduct for which the defendant is being prosecuted in Utah is the
    same conduct that was at issue in the prior foreign prosecution. To
    answer this question, the court must look at the relevant units of
    prosecution, which define the chargeable conduct, and the evidence
    supporting the prosecutions. If the other jurisdiction‘s unit of
    prosecution defines the offense in such a way that the evidence
    relied upon to prove the criminal conduct in that jurisdiction
    encompasses the evidence necessary to prove the criminal conduct at
    issue in the Utah prosecution, section 404 prohibits the subsequent
    Utah prosecution.117
    ¶ 54 Ultimately, in cases implicating section 404, the question is
    whether the conduct for which the defendant was prosecuted in the
    other jurisdiction constitutes the ―same offense‖ both elementally
    (Blockburger-Sosa) and factually (relevant units of prosecution
    supported by evidence). When a defendant seeks dismissal under
    section 404—as does Mr. Robertson—he or she must demonstrate
    that the elements of the statute have been satisfied. To show that
    _____________________________________________________________
    115   
    Id. 116 Id.
    at 169 n.8.
    117 We note that the section 404 analysis does not need to be done
    in this particular order, i.e., first Blockburger-Sosa, then an analysis of
    the conduct, as informed by the units of prosecution and evidence. If
    a court can determine that different conduct is at issue in the two
    prosecutions, then section 404 does not apply at all and there is no
    need to also determine whether the offenses can be considered the
    same under Blockburger-Sosa. The reverse is also true.
    26
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                             Opinion of the Court
    prosecutions are the ―same offense‖ factually—that is, based on the
    same conduct—a defendant may rely on evidence from all aspects of
    the record in the previous and subsequent prosecutions, including
    any available information relating to the indictment, notices of
    forfeiture, a plea colloquy, or sentencing. We turn now to whether
    and how we should apply this test to the facts of this case.
    III. Section 76-1-404 Prohibits the State‘s Subsequent
    Prosecution of Mr. Robertson
    ¶ 55 Prior to deciding whether section 76-1-404 prohibits the
    State‘s prosecution of Mr. Robertson, we must first address the
    State‘s argument that our decision to overrule Franklin should be
    applied prospectively only. We conclude that section 404 is a
    substantive statute that creates an affirmative defense to avoid the
    dual sovereignty exception to double jeopardy118 and that the new
    interpretation of it announced in this case applies retroactively to
    cases on direct and collateral review.119 We then apply our
    interpretation of section 404 to the facts of this case. We hold that the
    federal and state offenses are the same under Blockburger-Sosa and
    that the record shows that federal prosecution encompassed all of
    the conduct for which Mr. Robertson was subsequently prosecuted
    by the State.
    A. Section 76-1-404 Is a Substantive Statute that Creates an Affirmative
    Defense to Avoid the Dual Sovereignty Exception to Double Jeopardy, and
    We Apply It Retroactively to Cases on Direct and Collateral Review
    ¶ 56 Mr. Robertson asks us to retroactively apply section 404 ―as
    written‖ in both ―this case and all non-final cases.‖ Though we have
    established general rules governing the retroactive application of
    _____________________________________________________________
    118As concluded above, section 404 provides broader protections
    than traditional double jeopardy principles as it limits the dual
    sovereignty doctrine in Utah. Accordingly, section 404‘s right to
    avoid double jeopardy is distinct from and more robust than the
    constitutional rights protected under the federal and state
    constitutions.
    119  Though the interpretation we adopt today applies
    retroactively to cases on direct and collateral review, this
    retroactivity does not override the rules that govern how an issue is
    preserved and presented on appeal or collateral review.
    27
    STATE v. ROBERTSON
    Opinion of the Court
    statutes,120 we conclude that these rules do not control our inquiry.
    For in asking us to apply section 404 ―as written,‖ Mr. Robertson
    asks for retroactive application of our new interpretation of the
    statute announced in this case. In State v. Franklin,121 we interpreted
    the statute in a manner that misunderstood the legislature‘s intent.
    Now, in this decision, we correct that misunderstanding by
    overruling Franklin and interpreting section 404 according to its plain
    language, which indicates a legislative intent to preclude
    prosecutions by the State following a prosecution for the same
    offense in another jurisdiction. Thus, to determine whether we can
    retroactively apply our interpretation of section 404, we cannot rely
    on statutory retroactivity law, but must look to our retroactivity
    jurisprudence dealing with new rules of criminal law announced in
    judicial decisions.
    ¶ 57 As discussed below, we have not yet adopted a specific rule
    governing the retroactive application of new interpretations of
    substantive criminal statutes. After consulting the approaches taken
    by federal courts and our sister jurisdictions, we conclude that a new
    interpretation of a substantive criminal statute will apply
    retroactively to cases on direct and collateral review. We therefore
    apply our interpretation of section 404 to Mr. Robertson. We discuss
    each issue in turn.
    ¶ 58 Our recent retroactivity jurisprudence clarifies that whether
    a new rule of criminal law can be retroactively applied turns on
    whether it is procedural or substantive. In prior cases, we have
    almost exclusively addressed the retroactive application of ―new
    rules of criminal procedure announced in judicial decisions.‖122 As to
    such rules, we have held that they ―apply retroactively to all cases
    pending on direct review.‖123 We have also permitted such rules to
    apply retroactively to final cases on collateral review under certain
    circumstances.124 As for new rules of substantive criminal law
    announced in judicial decisions—such as an interpretation of a
    _____________________________________________________________
    120   See Beaver Cty. v. State Tax Comm’n, 
    2010 UT 50
    , ¶ 10, 
    254 P.3d 158
    .
    121   
    735 P.2d 34
    (Utah 1987).
    122   State v. Guard, 
    2015 UT 96
    , ¶¶ 36–37, 
    371 P.3d 1
    .
    123   
    Id. ¶ 61.
       124See, e.g., Labrum v. Utah State Bd. of Pardons, 
    870 P.2d 902
    , 912
    (Utah 1993); Winward v. State, 
    2015 UT 61
    , ¶ 11, 
    335 P.3d 1022
    .
    28
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                                Opinion of the Court
    substantive criminal statute—we have not adopted a specific rule
    governing retroactive application.125
    ¶ 59 Because Mr. Robertson asks us to retroactively apply the
    interpretation of section 404 announced in this decision—an
    interpretation that recognizes the legislature‘s intent to reject the
    dual sovereignty doctrine and provide broader protections to
    criminal defendants than we recognized in Franklin126—we must
    adopt a rule governing the retroactive application of new
    interpretations of substantive criminal statutes. For as we read
    section 404, it is not merely a procedural statute that defines the
    ―mode or form of procedure for enforcing substantive rights,‖127 but
    a substantive statute that defines ―what acts constitute crimes and
    what the elements of those crimes are‖ as well as the availability and
    definitions of affirmative defenses.128 In particular, it creates an
    affirmative defense that a criminal defendant—like Mr. Robertson—
    can invoke as a complete bar to prosecution by the State when he or
    she has previously been prosecuted for the same offense by a foreign
    sovereign.
    ¶ 60 And in articulating a rule of retroactivity governing new
    rules of substantive criminal law, we are guided by federal
    precedents and the approaches taken by our sister jurisdictions.
    Significant in this regard is Bousley v. United States.129 In that case, the
    United States Supreme Court considered whether to retroactively
    apply its Bailey v. United States130 interpretation of the ―use‖ prong of
    18 U.S.C. section 924(c)(1). That prong imposes enhanced penalties
    _____________________________________________________________
    125 We note that in Andrews v. Morris, 
    677 P.2d 81
    (Utah 1983), and
    State v. Lovell, 
    2005 UT 31
    , 
    114 P.3d 575
    , we retroactively applied our
    interpretations of certain criminal statutes to defendants. These cases
    predate Guard, and in them, we failed to consider whether the
    statutes at issue were procedural or substantive for purposes of our
    retroactivity analysis. We therefore view these cases as part of our
    previous approach to retroactivity jurisprudence and do not rely on
    them to resolve the issue now before us.
    126   
    735 P.2d 34
    .
    127   State v. Drej, 
    2010 UT 35
    , ¶ 27, 
    233 P.3d 476
    (citation omitted).
    128   
    Id. ¶ 18.
       129   
    523 U.S. 614
    (1998).
    130   
    516 U.S. 137
    (1995).
    29
    STATE v. ROBERTSON
    Opinion of the Court
    for the ―use‖ of a firearm in relation to certain crimes.131 In Bailey, the
    Court interpreted the statute to punish only ―active employment of
    the firearm,‖ not ―mere possession.‖132
    ¶ 61 In deciding whether to retroactively apply this
    interpretation of the statute to a defendant who was before the Court
    on collateral review, the Bousley Court reasoned that ―decisions of
    [the Supreme Court] holding that a substantive federal criminal statute
    does not reach certain conduct‖ are new substantive rules.133 The
    Court then held that decisions interpreting substantive criminal
    statutes should be applied retroactively because they demonstrate ―a
    significant risk that a defendant stands convicted of ‗an act that the
    law does not make criminal.‘‖134 For ―it is only Congress,‖ the Court
    noted, ―and not the courts, which can make conduct criminal.‖135
    Ultimately, it declined to retroactively apply Bailey‘s interpretation to
    the defendant on collateral review because of a procedural defect in
    his claim,136 but this case illustrates that the Supreme Court
    retroactively applies new substantive rules to all cases, including
    those on collateral review.
    ¶ 62 State courts have generally adopted two different responses
    to Bousley. A majority of our sister jurisdictions follow Bousley in
    granting a new substantive rule—including a new interpretation of a
    substantive criminal statute—full retroactivity, applying it on direct
    and collateral review.137 At least one of these states presumptively
    _____________________________________________________________
    131   See 18 U.S.C. § 924(c)(1) (1994).
    132   
    Bailey, 516 U.S. at 144
    .
    133   
    Bousley, 523 U.S. at 620
    (emphasis added).
    134 
    Id. (citation omitted);
    see also Schriro v. Summerlin, 
    542 U.S. 348
    ,
    353 (2004) (―A rule is substantive rather than procedural if it alters
    the range of conduct or the class of persons that the law punishes.‖
    (citing 
    Bousley, 523 U.S. at 620
    –21)).
    135   
    Bousley, 523 U.S. at 620
    –21.
    136 
    Id. at 621
    (noting that ―a voluntary and intelligent plea of
    guilty made by an accused person . . . may not be collaterally
    attacked‖ and that ―[defendant] contested his sentence on appeal,
    but did not challenge the validity of his plea,‖ thus ―procedurally
    default[ing] the claim he now presses on us‖).
    137See, e.g., State v. Towery, 
    64 P.3d 828
    , 831 (Ariz. 2003) (en banc)
    (concluding that ―[p]etitioners whose cases have become final may
    seek the benefit of new substantive rules‖); In re Moore, 34 Cal. Rptr.
    (Continued)
    30
    Cite as: 
    2017 UT 27
                              Opinion of the Court
    requires retroactivity in all cases, including those that have become
    final, but will not grant relief when continued incarceration does not
    represent a gross miscarriage of justice. 138 A minority of states, in
    3d 605, 609 (Cal. Ct. App. 2005) (noting that ―new substantive rules
    generally apply retroactively‖); People v. Wenzinger, 
    155 P.3d 415
    , 419
    (Colo. App. 2006) (noting that ―new substantive rules generally
    apply retroactively to cases that are final, whereas new procedural
    rules do not‖); Luke v. Battle, 
    565 S.E.2d 816
    , 819 (Ga. 2002) (noting
    that ―a new rule of substantive criminal law must be applied
    retroactively to cases on collateral review,‖ and that ―an appellate
    decision holding that a criminal statute no longer reaches certain
    conduct is a ruling of substantive law‖); People v. Edgeston, 
    920 N.E.2d 467
    , 471 (Ill. App. Ct. 2009) (―Illinois follows the federal rule
    that a decision that narrows a substantive criminal statute must have
    full retroactive effect in collateral attacks.‖ (citation omitted)); Jacobs
    v. State, 
    835 N.E.2d 485
    , 489–91 (Ind. 2005) (adopting the federal rule
    that a new substantive rule of criminal law applies retroactively to
    cases on collateral review); State v. Whitehorn, 
    50 P.3d 121
    , 127–28
    (Mont. 2002) (same); Commonwealth v. Spotz, 
    896 A.2d 1191
    , 1243 (Pa.
    2006) (noting that ―we distinguish between new rulings involving
    substantive criminal law, which are applied retroactively on
    collateral review, and new procedural rulings of constitutional
    dimension, which are generally subject only to prospective
    application‖); State v. White, 
    944 A.2d 203
    , 208 (Vt. 2007) (noting that
    ―[g]enerally, new rules of criminal procedure are not applied
    retroactively on collateral review because unlike new substantive
    rules, they do not produce a class of wrongly convicted
    individuals‖); Kelson v. Commonwealth, 
    604 S.E.2d 98
    , 101 (Va. Ct.
    App. 2004) (noting that ―[a]s to convictions that are already final, . . .
    [new] substantive rules generally apply retroactively‖(alterations in
    Kelson) (quoting 
    Schriro, 542 U.S. at 351
    )); State v. Lagundoye, 
    674 N.W.2d 526
    , 531 (Wis. 2004) (noting that ―a new rule of substantive
    criminal law is presumptively applied retroactively to all cases,
    whether on direct appeal or on collateral review‖).
    138 Luurtsema v. Comm’r of Corr., 
    12 A.3d 817
    , 832 (Conn. 2011)
    (―[W]e adopt a general presumption in favor of full retroactivity for
    judicial decisions that narrow the scope of liability of a criminal
    statute. That presumption, however, would not necessarily require
    that relief be granted in cases where continued incarceration would
    not represent a gross miscarriage of justice, such as where it is clear
    (Continued)
    31
    STATE v. ROBERTSON
    Opinion of the Court
    contrast, employ a balancing test to determine whether to
    retroactively afford defendants the benefit of a new substantive
    rule.139
    ¶ 63 We are persuaded by Bousley and the majority of our sister
    jurisdictions to adopt a rule of full retroactivity—applying to cases
    on both direct and collateral review—for a new interpretation of a
    substantive criminal statute. Like the United States Supreme Court,
    we recognize that ―it is only [the legislature], and not the courts,
    which can make conduct criminal.‖140 Accordingly, when our
    interpretation of a substantive criminal statute deviates from the
    intent of the legislature—as it did in Franklin—there is ―a significant
    risk that a defendant stands convicted‖ despite the fact that the
    legislature intended an affirmative defense to bar the prosecution.141
    ¶ 64 Thus, we hold that new interpretations of substantive
    criminal statutes have automatic full retroactivity, subject of course
    that the legislature did intend to criminalize the conduct at issue, if
    perhaps not under the precise label charged.‖).
    139 Clem v. State, 
    81 P.3d 521
    , 530–31 (Nev. 2003) (―[W]hen a
    constitutional rule qualifies as ‗new,‘ it will apply retroactively in
    only two instances: ‗(1) if the rule establishes that it is
    unconstitutional to proscribe certain conduct as criminal or to
    impose a type of punishment on certain defendants because of their
    status or offense; or (2) if it establishes a procedure without which
    the likelihood of an accurate conviction is seriously diminished.‘
    Therefore, on collateral review . . ., if a rule is not new, it applies
    retroactively; if it is new, but not a constitutional rule, it does not
    apply retroactively; and if it is new and constitutional, then it applies
    retroactively only if it falls within one of [the] delineated
    exceptions.‖ (citation omitted)); Policano v. Herbert, 
    859 N.E.2d 484
    ,
    495–96 (N.Y. 2006) (―[W]e must weigh three factors to determine
    whether a new precedent operates retroactively: the purpose to be
    served by the new standard; the extent of the reliance by law
    enforcement authorities on the old standard; and the effect on the
    administration of justice of a retroactive application of the new
    standard. The second and third factors are, however, only given
    substantial weight ‗when the answer to the retroactivity question is
    not to be found in the purpose of the new rule itself.‘‖ (citation
    omitted)).
    140   
    Bousley, 523 U.S. at 620
    –21.
    141   
    Id. at 620.
    32
    Cite as: 
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                                  Opinion of the Court
    to our law of preservation.142 Defendants seeking collateral review
    must abide by the Post-Conviction Remedies Act143 in seeking to
    have our new interpretation of a statute applied to them. We
    therefore conclude that Mr. Robertson will receive the benefit of our
    new interpretation of section 404 announced in this decision today—
    as will other criminal defendants on direct or collateral review who
    meet the requirements of our law of preservation and the PCRA. We
    turn now to the application of section 404 to Mr. Robertson‘s case.
    B. The Record Shows that the State Premised Its Prosecution of Mr.
    Robertson on Conduct that Constitutes the “Same Offense” for Which He
    Was Prosecuted Federally
    ¶ 65 As discussed, Utah Code section 76-1-404 prohibits the State
    from prosecuting a defendant if the defendant has already been
    prosecuted in another jurisdiction provided two conditions are
    satisfied. First, ―the former prosecution [must] result[] in an
    acquittal, conviction, or termination of prosecution.‖ 144 The parties
    agree that Mr. Robertson‘s federal prosecution satisfies this
    requirement. The second condition requires that ―the subsequent
    prosecution [be] for the same offense or offenses,‖145 as we have
    described above. It is on this condition that the parties disagree—
    whether the Utah prosecution can be said to be for the ―same
    offense‖ as the federal prosecution.
    ¶ 66 As we have explained, determining whether a prior foreign
    prosecution qualifies as the ―same offense‖ under section 404
    requires a two-part analysis: whether the offenses for which an
    individual was prosecuted are the same under Blockburger-Sosa and,
    if they are, whether the conduct establishing the offenses is also the
    same. In this case, there is no dispute that the two relevant statutes
    are the ―same offense‖ under a Blockburger-Sosa analysis. Mr.
    _____________________________________________________________
    142 We do not reach the question whether there may be some
    exception to the general rule we adopt today. See, e.g., 
    Luurtsema, 12 A.3d at 832
    (adopting a ―general presumption in favor of full
    retroactivity for judicial decisions that narrow the scope of liability of
    a criminal statute,‖ but denying retroactive application of a new rule
    of substantive criminal law where such a denial did not constitute a
    ―gross miscarriage of justice‖).
    143   See UTAH CODE §§ 78B-9-101 to -405.
    144   UTAH CODE § 76-1-404(1).
    145   
    Id. § 76-1-404(2).
    33
    STATE v. ROBERTSON
    Opinion of the Court
    Robertson was charged in both federal and state court with
    possession of child pornography. The federal child pornography
    statute, 18 U.S.C. section 2252A(a)(5)(B) (2008), criminalizes the
    ―knowing[] possess[ion]‖ of ―any . . . material that contains an image
    of child pornography that has been . . . transported using any means
    or facility of interstate or foreign commerce.‖ The equivalent Utah
    statute, section 76-5a-3 (2004),146 makes it a crime to
    ―knowingly . . . possess[] . . . child pornography.‖ The definition of
    ―child pornography‖ is the same under both statutes.147 And though
    the federal offense requires proof of an element that the Utah statute
    does not—interstate commerce—the Utah statute does not require
    proof of an element that the federal statute does not. Thus, the Utah
    crime is a lesser-included offense of the federal offense, rendering it
    the ―same offense‖ under a Blockburger-Sosa analysis.
    ¶ 67 We must next determine whether the prosecutions were
    based on the same conduct. If they are not, then the State is free to
    prosecute based on any previously uncharged criminal conduct. This
    analysis, as we described above, is informed by the relevant units of
    prosecution. Under federal law, the unit of prosecution ―is each
    ‗material,‘ or medium, containing an image of child
    pornography.‖148 The unit of prosecution under Utah law is ―each
    minor depicted in the child pornography‖ and ―each time the same
    minor is depicted in different child pornography.‖149 With these
    units of prosecution in mind, we must determine whether the
    evidence supporting the prosecuted criminal conduct in the federal
    case encompasses the evidence supporting the prosecuted criminal
    conduct in the Utah case.
    ¶ 68 The State argues that because Mr. Robertson was charged
    with only one count of violating the federal statute, he was federally
    prosecuted only for possessing one medium containing child
    pornography—the federal unit of prosecution. The State claims that
    the medium that served as the basis for the federal prosecution was
    the Dell computer because the Utah agent provided the federal
    _____________________________________________________________
    146The statute has since been renumbered without substantive
    change to 76-5b-201(1).
    147   See 18 U.S.C. § 2256(8) (2008); UTAH CODE § 76-5a-2(1) (2004).
    148  United States v. Woerner, 
    709 F.3d 527
    , 540 (5th Cir. 2013)
    (citation omitted).
    149   UTAH CODE § 76-5b-201(3).
    34
    Cite as: 
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                            Opinion of the Court
    attorney with videos solely from that computer during the federal
    screening process. So because Mr. Robertson owned several media
    containing child pornography—two computers and several other
    storage devices—the State argues that it is free to prosecute him for
    possessing the child pornography contained in the other media.
    Although we agree that were the federal prosecution truly limited to
    prosecuting Mr. Robertson‘s possession of child pornography on one
    computer, section 404 would not prohibit the subsequent state
    prosecution, we disagree that the federal prosecution was so limited.
    ¶ 69 The one-count federal indictment returned by the grand jury
    charged Mr. Robertson with knowing possession of multiple
    media—―computer disks and other materials containing images of
    child pornography.‖ The forfeiture notice included with the
    indictment stated that all of the media—not just the one computer—
    were used ―to commit and to facilitate the commission of [the]
    violation‖ of the federal child pornography statute. Thus, though the
    federal indictment could have rested solely on Mr. Robertson‘s
    possession of one medium containing child pornography, it appears
    that the prosecution was based on his possession of multiple media,
    with no distinction made between any of the various media. Indeed,
    the trial court in the Utah case specifically determined that this was
    the case, finding that the Utah prosecution—which charged Mr.
    Robertson with multiple counts of possession of child pornography
    based on images found on both computers—was ―[b]ased on the
    same body of evidence‖ as the previous federal prosecution. Because
    the federal prosecution was based on evidence of Mr. Robertson‘s
    possession of all the media containing child pornography, it
    encompassed the evidence of the conduct that was at issue in the
    Utah prosecution. Therefore, the two prosecutions were for the same
    conduct.
    ¶ 70 In sum, the federal and Utah criminal statutes constitute the
    ―same offense‖ under Blockburger-Sosa. The evidence of criminal
    conduct supporting the federal prosecution encompassed the
    evidence of criminal conduct used to support the subsequent Utah
    prosecution. Thus, Mr. Robertson was prosecuted for the same
    conduct, constituting the ―same offense,‖ twice. Accordingly, section
    76-1-404 bars the State‘s subsequent prosecution of Mr. Robertson.
    We therefore reverse the decision of the court of appeals.
    Conclusion
    ¶ 71 Our conclusion in State v. Franklin that Utah Code section
    76-1-404‘s use of ―same offense‖ incorporated the dual sovereignty
    doctrine is overruled. The language of the statute unmistakably
    35
    STATE v. ROBERTSON
    Opinion of the Court
    operates as a legislative rejection of the dual sovereignty doctrine.
    We accordingly clarify today that section 404‘s use of ―same offense‖
    encompasses only the Blockburger-Sosa test. Thus, section 404
    prohibits Utah prosecutions following prosecutions in other
    jurisdictions so long as the offenses are the same under Blockburger-
    Sosa and the conduct at issue in the previous prosecution
    encompasses the same conduct at issue in the Utah prosecution, as
    informed by the relevant units of prosecution and evidence. The
    interpretation of section 404 that we announce today applies
    retroactively and, applying this interpretation to Mr. Robertson‘s
    case, we hold that section 404 prohibited the State from prosecuting
    him after the federal prosecution. We therefore reverse the court of
    appeals‘ decision.
    36
    

Document Info

Docket Number: Case No. 20140268

Judges: Pearce

Filed Date: 5/15/2017

Precedential Status: Precedential

Modified Date: 10/19/2024