United States v. Yoon ( 2005 )


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    Pursuant to Sixth Circuit Rule 206
    File Name: 05a0092p.06
    UNITED STATES COURTS OF APPEALS
    FOR THE SIXTH CIRCUIT
    _________________
    X
    Plaintiff-Appellee, -
    UNITED STATES OF AMERICA,
    -
    -
    -
    No. 03-5875
    v.
    ,
    >
    MIN YOON,                                                        -
    Defendant-Appellant. -
    N
    Appeal from the United States District Court
    for the Middle District of Tennessee at Nashville.
    No. 02-00101—Todd J. Campbell, District Judge.
    Argued: October 29, 2004
    Decided and Filed: February 24, 2005
    Before: KENNEDY and GILMAN, Circuit Judges; HOOD, District Judge.*
    _________________
    COUNSEL
    ARGUED: Norman J. Silverman, Houston, Texas, for Appellant. Van S. Vincent, ASSISTANT UNITED
    STATES ATTORNEY, Nashville, Tennessee, for Appellee. ON BRIEF: Norman J. Silverman, Houston,
    Texas, for Appellant. Van S. Vincent, William Cohen, ASSISTANT UNITED STATES ATTORNEY,
    Nashville, Tennessee, for Appellee.
    HOOD, D. J., delivered the opinion of the court. KENNEDY, J. (pp. 7-9), delivered a separate
    concurring opinion. GILMAN, J. (pp. 10-13), delivered a separate dissenting opinion.
    _________________
    OPINION
    _________________
    HOOD, District Judge. In June of 2002, law enforcement officers staked out Min Yoon’s apartment
    and observed an informant, whom they had equipped with a wire, enter. When the police heard the
    informant asking Yoon about quantities of marijuana and the logistics of shipping it, they forcibly entered
    the apartment. After finding marijuana on the premises, the police arrested Yoon. Yoon moved to suppress
    the evidence found in the apartment because it was obtained without a warrant. The district court denied
    his motion. He subsequently entered a conditional guilty plea relating to the distribution of marijuana.
    *
    The Honorable Joseph M. Hood, United States District Judge for the Eastern District of Kentucky, sitting by designation.
    1
    No. 03-5875            United States v. Yoon                                                         Page 2
    On appeal, Yoon alleges that the district court erred in denying his motion to suppress the evidence
    obtained without a warrant. He further alleges that the district court’s assessment of a two-point sentencing
    enhancement for obstruction of justice was clearly erroneous, both under the United States Sentencing
    Guidelines and under the new precedent of Blakely v. Washington, 542 U.S. ___, 
    124 S. Ct. 2531
    (2004).
    For the reasons stated below, we AFFIRM the judgment of the district court.
    I. FACTUAL AND PROCEDURAL HISTORY
    A.     Factual background
    1.      Suppression Issue
    Following his arrest in June of 2002 for a drug deal, Meen W. Kim agreed to act as an informant for
    the Tennessee Bureau of Investigation (TBI). As part of this arrangement, Kim immediately set up a
    marijuana transaction with Yoon. Kim spoke with Yoon by phone, which resulted in Yoon’s inviting him
    to an apartment at 2010 Brentridge Circle, in Nashville, Tennessee. The police provided Kim with an audio
    transmitter and instructed him to subtly indicate when he saw the marijuana. Although Kim was provided
    with a bundle of cash, it was significantly less than the amount that would have been required to complete
    the transaction. This caused one of the TBI officers conducting the raid to be concerned for Kim’s safety.
    Once Yoon admitted Kim into the apartment, and Kim observed the marijuana, Kim notified the
    officers of his observation by questioning Yoon, asking “[h]ey, are you having to break it down?” Yoon
    provided an affirmative response. Kim then asked Yoon, “[w]ell, is that all there is?” to which Yoon replied
    “[n]o, no, there’s more.” Upon hearing this exchange, the police entered the apartment. The officers
    arrested Yoon as he tried to flee by climbing out a window.
    Subsequent to his apprehension, and having been advised of his Miranda warnings, Yoon was asked
    for consent to search the apartment. Appellant answered, “Go ahead, you’re already here.” The eighty
    pounds of marijuana seized in the apartment, however, were observed in plain view as the officers
    conducted a protective sweep.
    2.      Sentencing Issues
    While on release pending sentencing, Yoon posted an anonymous webpage on
    www.asianavenue.com featuring a photograph of Kim, who was now his co-defendant. The words “FBI
    Informant” appeared below the photograph, and an image of a gun was displayed next the photo, firing in
    the direction of Kim’s head. Additional text announced that Yoon hoped Kim would “get . . . [his] ass beat
    daily like [he] did last time there in Mississippi,” and gave a blunt summation of Yoon’s sentiments: “Fuck
    Joe Kim for snitching on me.” When he was informed that the website might be illegal, Yoon removed it.
    B.     Procedural background
    1.      Suppression Issue
    Yoon moved to suppress the evidence obtained from the apartment, alleging a violation of his Fourth
    Amendment right to be free from unreasonable searches and further claiming that the search “was so
    outrageous as to violate his Fifth Amendment right to due process of law.” The district court denied Yoon’s
    motion. Yoon then pled guilty to conspiracy with the intent to distribute 50 or more kilograms of marijuana,
    in violation of 21 U.S.C. § 841(a)(1) and 21 U.S.C. § 846. In the plea agreement, however, Yoon
    specifically reserved “the right to appeal the determination of the appropriateness of the entry and search
    of 2010 Brentridge Circle, Nashville, TN.”
    No. 03-5875             United States v. Yoon                                                           Page 3
    2.      Sentencing Issues
    Yoon’s Presentence Report noted that he had posted a webpage threatening Kim, which led to a
    recommendation of a two-point adjustment for obstruction of justice. No jury found Yoon guilty of
    threatening Kim, and Yoon did not plead guilty to this offense, although he did admit to the webpage
    posting at his sentencing hearing. Over Yoon’s objection, the district court followed the report’s
    recommendation, explaining its decision as follows:
    In terms of the reasons for the sentence, in a nutshell, Mr. Yoon, you show no evidence of
    remorse. Your conduct while on release pending sentencing is outrageous. What you posted
    on the website, materially, objectively and subjectively threatened a witness and a co-
    defendant and deserves the top of the range punishment, which the court is imposing.
    This timely appeal followed.
    II. STANDARD OF REVIEW
    Factual findings supporting a district court’s ruling on a motion to suppress are upheld unless clearly
    erroneous, but “[t]he court’s final determination as to the reasonableness of the search is a question of law
    reviewed de novo.” United States v. Galloway, 
    316 F.3d 624
    , 628 (6th Cir. 2003) (upholding the district
    court’s denial of a motion to suppress evidence that was found during a customs inspection). Where the
    district court has denied the motion to suppress, “the appellate court must consider the evidence in the light
    most favorable to the government.” United States v. Erwin, 
    155 F.3d 818
    , 822 (6th Cir. 1998) (en banc
    decision upholding the district court’s denial of a motion to suppress evidence that was found during a
    search of the defendant’s vehicle).
    A similar standard applies to the district court’s enhancement of Yoon’s sentence under the
    Sentencing Guidelines for obstruction of justice. The factual findings underlying the district court’s
    decision will be reversed only if clearly erroneous, but the legal interpretation of the Guidelines is reviewed
    de novo. United States v. Burke, 
    345 F.3d 416
    , 428 (6th Cir. 2003) (upholding a sentencing enhancement
    for obstruction of justice).
    III. DISCUSSION
    A.      Yoon’s Motion to Suppress
    The Fourth Amendment protects “the right of the people to be secure in their persons, houses,
    papers, and effects, against unreasonable searches and seizures.” U.S. Const. amend. IV. “[A] search or
    seizure carried out on a suspect’s premises without a warrant is per se unreasonable, unless the police can
    show that it falls within one of a carefully defined set of exceptions based on the presence of ‘exigent
    circumstances.’” Coolidge v. New Hampshire, 
    403 U.S. 443
    , 474 (1971) (holding that a warrant issued by
    the state Attorney General who prosecuted the defendant was invalid). See also Illinois v. Rodriguez, 
    497 U.S. 177
    , 192 (1990) (“The Court has often heard, and steadfastly rejected, the invitation to carve out further
    exceptions to the warrant requirement for searches of the home. . . .”).
    The exception claimed by the government in this case is the doctrine of “consent once removed,”
    accepted by the Sixth Circuit in United States v. Pollard, 
    215 F.3d 643
    (6th Cir. 2000). According to
    Pollard, the police can enter a suspect’s premises to arrest the suspect without a warrant if
    No. 03-5875                  United States v. Yoon                                                                          Page 4
    [an] undercover agent or informant: 1) entered at the express invitation of someone with
    authority to consent; 2) at that point established the existence of probable cause to effectuate
    an arrest or search1; and 3) immediately summoned help from other officers.
    
    Pollard, 215 F.3d at 648
    , quoting United States v. Akinsanya, 
    53 F.3d 852
    , 856 (7th Cir. 1995) (holding that
    consent given to a government informant, unaccompanied by a police officer, was sufficient to authorize
    the search) (quotation marks omitted). The Pollard court, noting that the Sixth Circuit had declined to rule
    on this issue in United States v. Ogbuh, 
    982 F.2d 1000
    (6th Cir. 1993), adopted the doctrine of “consent
    once removed,” 
    Pollard, 215 F.3d at 649
    , and upheld the constitutionality of the search at issue.
    Unlike in Akinsanya and the present case, however, the search in Pollard was conducted after the
    defendant invited both an informant and an undercover police officer onto the premises. See 
    Pollard, 215 F.3d at 646
    (“The informant and Detective . . . Askew, who was acting undercover, approached the house
    and knocked on the door . . . [and] Pollard admitted them.”). The issue faced by the Pollard court, therefore,
    was not whether the doctrine of “consent once removed” applies where consent is given to a civilian
    informant only, but whether the doctrine applies where consent is given to an undercover police officer and
    the informant at the same time. For this reason, the Pollard courts specific statement that the doctrine
    applies when “an officer or informant (emphasis added) . . . enters at the express invitation of someone with
    authority to consent,” 
    Pollard, 215 F.3d at 648
    )(emphasis added), was dicta, rather than part of the holding.
    See Billeke-Tolosa v. Ashcroft, 
    385 F.3d 708
    , 712 (6th Cir. 2004) (“Dicta...is language that is only incidental
    to th[e] holding.”).
    “The prior decision [of a Sixth Circuit panel] remains controlling authority unless an inconsistent
    decision of the United States Supreme Court requires modification of the decision or this Court sitting en
    banc overrules the prior decision.” Darrah v. City of Oak Park, 
    255 F.3d 301
    , 309 (6th Cir. 2001)
    (discussing the effect of published opinions by previous panels). See also 6th Cir. R. 206(c) (cited in
    Darrah; noting that “[r]eported panel opinions are binding on subsequent panels. Thus, no subsequent panel
    overrules a published opinion of a previous panel. . . .”). This rule, however, “does not extend to dicta.”
    United States v. Jenkins, 
    4 F.3d 1338
    , 1345 n.8 (6th Cir. 1993) (distinguishing a previous Sixth Circuit
    panel’s dicta from its holding). The question of whether the doctrine of “consent once removed” applies
    where only a civilian informant receives consent, therefore, has not yet been decided by the Sixth Circuit
    despite the broad language in Pollard.
    In order to determine whether the warrantless entry into Yoon’s apartment by law enforcement
    officers violated the Fourth Amendment, the Court must ascertain whether the doctrine of “consent once
    removed” applies when the recipient of the consent is an informant unaccompanied by an undercover
    officer. Although this is an issue of first impression in the Sixth Circuit, several similar Seventh Circuit
    cases provide helpful guidance.
    In United States v. Paul, 
    808 F.2d 645
    (7th Cir. 1986), the Seventh Circuit slightly extended the
    doctrine of “consent once removed.” Paul was similar to Seventh Circuit cases in which the doctrine had
    traditionally been applied except, instead of an undercover officer being granted consent to enter, consent
    was extended only to a confidential informant. In Paul, the confidential informant had arranged to buy a
    1
    This doctrine does not permit the officers who enter a suspect’s home to conduct a general search of the home. Rather, it
    provides that once an undercover agent or informant establishes probable cause to arrest or to search (i.e., probable cause to obtain
    a search warrant) then the undercover officer or informant in the suspect’s home may summon other officers to assist in
    effectuating the arrest. As the doctrine is based upon consent to enter one’s home (and not consent to search), the area in the
    suspect’s home that the officers are entitled to be in is limited by the scope of the consent originally given to the undercover
    officer or informant. United States v. Bramble, 
    103 F.3d 1475
    , 1478(9th Cir. 1996). The officers may of course seize anything
    in plain view and are entitled to conduct a protective sweep, but they may not conduct a general search without “first satisfying
    the ordinary requirements of consent, a warrant, or exigent circumstances which excuse the failure to obtain a warrant.” 
    Id. at 1478-79.
    No. 03-5875                 United States v. Yoon                                                                          Page 5
    bale of marijuana from the defendant. The agents involved outfitted the confidential informant with an alert
    button and instructed him to press it once he observed the marijuana. Once pressed, the alert button
    summoned agents waiting outside the home. The Paul Court held that, because Paul’s privacy interests had
    already been compromised, and because if the informant had happened to be an agent he would have been
    entitled to summon more agents after viewing the drugs, the principle espoused in other “consent once
    removed” cases “extends to the case where the initial consensual entry is by a confidential informant.”
    
    Paul, 808 F.2d at 648
    . The Seventh Circuit has followed the same reasoning in two subsequent cases. See
    United States v. Jachimko, 
    19 F.3d 296
    (7th Cir. 1994); United States v. Akinsanya, 
    53 F.3d 852
    (7th Cir.
    1994); see also United States v. Bramble, 
    103 F.3d 1475
    , 1478-79 (9th Cir. 1966). This Court agrees with
    and adopts the sound reasoning of the Seventh Circuit in Paul, Jachimko, and Akinsanya.
    In the case sub judice, Kim, acting as an informant for law enforcement, carried out a series of
    monitored conversations with Yoon. These monitored telephone conversations concluded in an agreement
    to purchase 20 pounds of marijuana. The exchange was to take place at Yoon’s apartment. On the night
    of the exchange, Kim was invited into the residence by Yoon. Clearly, Yoon had the authority to consent
    to another being on the premises. Once inside the apartment, Kim observed the marijuana and immediately
    notified awaiting officers as to its presence via an audio transmitter. Notification that marijuana was in the
    residence established the necessary probable cause to effectuate an arrest.2 Accordingly, all three criteria
    of the “consent once removed” doctrine were established in the present case.
    In Pollard, we held that when one invites an undercover agent and an informant into his residence,
    the agent or informant can summon back-up officers for assistance, and that these back-up officers are
    acting within their constitutional limits when they enter since no further invasion of privacy is involved once
    the undercover officer and informant make the initial consensual entry. Today, we extend that concept to
    cases in which a confidential informant enters a residence alone, observes contraband in plain view, and
    immediately summons government agents to effectuate the arrest.
    B.       Two-Point Enhancement for Obstruction of Justice
    The district court assessed a two-point enhancement based upon § 3C1.1 of the Sentencing
    Guidelines, obstructing or impeding the administration of justice. In the Addendum to Yoon’s Plea Petition,
    Yoon acknowledged that 18 U.S.C. § 3742 affords a defendant the right to appeal the sentence imposed.
    (Addendum to the Plea Petition at ¶9). By signing the Addendum to the Plea Petition, Yoon waived his
    “right to appeal any sentence within the maximum provided in the offense level as determined by the court
    or the manner in which that sentence was determined on the grounds set forth in 18 U.S.C. § 3742...”
    (Addendum to the Plea Petition at ¶9). There is no reason that Yoon’s knowledgeable and voluntary waiver
    of his right to appeal should not be enforced.3
    The defendant further alleges that the district court’s assessment of a two-point sentencing
    enhancement for obstruction of justice was clearly erroneous in the light of Blakely v. Washington, 542 U.S.
    ___ (2004). This argument likewise fails for the defendant has clearly waived his right to appeal his
    sentence.
    Accordingly, the sentence of the district court is affirmed.
    2
    Tennessee is one of those states that has granted the arrest power to its citizens. Tenn. Code Ann. § 40-7-109(a)(3)(2004)(“A
    private person may arrest another ...[w]hen a felony has been committed, and the arresting person has reasonable cause to believe
    that the person arrested committed it.”). Thus, Kim could have made the arrest himself had he chosen to do so. Instead, he called
    officers to assist him, a permissable choice. 
    Pollard, 215 F.3d at 548
    .
    3
    In any event, the defendant’s actions in “outing” a government witness/co-defendant via the internet would be just the type
    of conduct warranting the obstruction of justice enhancement. USSG § 3C1.1, comment.(n.4(a)).
    No. 03-5875            United States v. Yoon                                                        Page 6
    IV. CONCLUSION
    Because we conclude that the warrantless entry into Defendant Yoon’s apartment did not violate the
    Fourth Amendment based on the doctrine of “consent once removed”, and because Yoon waived the right
    to appeal his sentence by signing the Addendum to his Plea Petition, the judgment and sentence of the
    district court are hereby AFFIRMED.
    No. 03-5875                 United States v. Yoon                                                                      Page 7
    _________________
    CONCURRENCE
    _________________
    KENNEDY, Circuit Judge, concurring. I concur in Judge Hood’s opinion but write separately to
    explain why the “consent once removed doctrine” adopted by our Court in United States v. Pollard, 
    215 F.3d 643
    (6th Cir. 2000), to apply to undercover police officers (and in dicta to informants) is equally
    applicable to informants in light of the doctrine’s conceptual foundation.
    The Fourth Amendment, the Supreme Court declared, draws a firm line at the entry to one’s house
    such that a police officer may not, in the absence of exigent circumstances or consent, enter a house to arrest
    or search without first obtaining a warrant. See Payton v. New York, 
    455 U.S. 573
    , 585-589 (1980) (holding
    that since the physical entry of the home is the chief evil against which the wording of the Fourth
    Amendment is directed, absent exigent circumstances or consent, officers may not enter a home without a
    warrant). Neither the exigent circumstances nor the traditional consent exception to the warrant requirement
    supports the application of the “consent once removed” doctrine. This doctrine appears to have arisen out
    of cases where the government was unable to rely upon exigent circumstances to justify the warrantless
    entry into a suspect’s home by officers who entered the suspect’s home after the government informant or
    undercover agent had established probable cause to arrest the suspect. United States v. Paul, 
    808 F.2d 645
    ,
    647 (7th Cir. 1986) (noting that the officers entry into the suspects home was not “within the emergency
    exception to Payton); United States v. Akinsanya, 
    53 F.3d 852
    , 856 & n.1 (7th Cir. 1995) (noting that “[t]he
    government wisely chose not to pursue1 its exigent circumstances argument . . . [since] [e]xigent
    circumstances did not exist” in this case).
    Recognizing that exigent circumstances did not support the warrantless entry of police officers into
    a suspect’s home after the agent or informant inside the home established probable cause to arrest the
    suspect, the courts instead relied upon the other exception to the warrant requirement, consent. See 
    Paul, 808 F.2d at 647-48
    (“Although we do not think the search was within the emergency exception to Payton,
    there is an alternative ground on which its lawfulness must be sustained: consent”). Although it is certainly
    true that an undercover agent or a government informant receives consent when he is invited into a suspect’s
    home, it is a fiction to claim that the subsequent officers who enter the suspect’s home also receive the
    suspect’s consent to enter. One court, however, appears to have espoused such a reliance upon consent, as
    it noted: When a suspect gives his consent to a government informant to enter his house, the suspect
    effectively gives consent to the agents with whom the government informant is working. 
    Akinsanya, 53 F.3d at 856
    . Since the suspect controls who may enter his home absent a warrant or exigent circumstances,
    it cannot be claimed that a suspect, because he consented to the entry into his home by a government
    informant, also consents to the forced or surreptitious entry of the officers with whom the informant is
    working, since, in fact, no consent has been given to them. Moreover, simply because the government
    informant received consent to enter the suspect’s home does not mean that the government informant
    himself thereby has authority to consent to the entry of the agents with whom he is working.
    The doctrine, therefore, is not based upon either the exigent circumstances or the traditional consent
    exception to the warrant requirement.2 Rather, it is based upon the theory that, because an undercover agent
    1
    In fact, in Pollard, Judge Nathaniel Jones dissented from this Court’s adoption of the “consent once removed” doctrine on
    the ground that it constituted an “unjustified extension of our traditional exigent circumstances jurisprudence.” 
    215 F.3d 643
    ,
    649 (6th Cir. 2000).
    2
    Although the doctrine is not based upon either the exigent circumstances or the traditional consent exception, one could
    characterize the conceptual foundation of the doctrine as based upon a combination of a sort of “quasi exigent circumstances and
    consent.” For instance, in Bramble, the court concluded that the warrantless entry of the additional officers into the suspect’s
    home did not violate the Fourth Amendment since the suspect had a diminished expectation of privacy as he had already invited
    No. 03-5875                  United States v. Yoon                                                                          Page 8
    or informant who establishes probable cause to arrest the suspect may in fact arrest him3 then and there, he
    should be entitled to call in the agents with whom he is working to assist in the arrest because, once the
    suspect invites the agent or informant into his house and displays his illegal activity to him, the suspect’s
    Fourth Amendment expectation of privacy has been “fatally compromised.” 
    Paul, 808 F.2d at 648
    (“The
    interest that the Payton decision protects is the interest in the privacy of the home, and [that interest] has
    been fatally compromised when the owner admits a confidential informant and proudly displays contraband
    to him. It makes no difference that the owner does not know he is dealing with an informant”). See United
    States v. Bramble, 
    103 F.3d 1475
    , 1478 (9th Cir. 1996) (“Once consent has been obtained from one with
    authority to give it, any expectation of privacy has been lost. We seriously doubt that the entry of additional
    officers would further diminish the consenter’s expectation of privacy . . .”); United States v. Janik, 
    723 F.2d 537
    , 548 (7th Cir. 1983) (concluding that since the suspect had already invited an officer into his home, the
    warrantless entry of additional officers into the suspect’s home constituted a trivial invasion of the suspect’s
    privacy).
    Thus, the doctrine is not made conceptually possible by law enforcement powers, as the dissent
    contends, such   as the ability to seize incriminating evidence in plain view or the theory of collective
    knowledge.4 Rather, the back-up officers entry into the suspect’s home does not offend the Constitution
    because the suspect’s expectation of privacy has been previously compromised. The only power that is
    traditionally viewed as a police power that is potentially necessary to support this doctrine is the arrest
    power, since, as the doctrine goes, once the invitee establishes probable cause to arrest, he may call for
    additional officers to assist him in effectuating the arrest. See 
    Pollard, 215 F.3d at 548
    (noting that once
    the undercover agent established probable cause to arrest the suspects, he could have arrested them if he had
    chosen to do so, but was entitled to rely upon back-up officers to assist him); 
    Paul, 808 F.2d at 648
    (noting
    that when one invites an undercover agent into his house, the agent can summon other agents to assist in
    the arrest). The arrest power, however, does not lie in the sole province of the police, but rather it has been
    granted to the citizens of many states. See 5 Am. Jur. 2d Arrest § 56; 
    133 A.L.R. 608
    . As    is relevant in this
    case, Tennessee is one of those states that has granted the arrest power to its citizens.5 Tenn. Code. Ann.
    § 40-7-109(a)(3) (2004) (“A private person may arrest another . . . [w]hen a felony has been committed, and
    the arresting person has reasonable cause to believe that the person arrested committed it). Since a citizen,
    just as an officer, may receive a suspect’s consent to enter his home, determine if probable cause exists to
    arrest the suspect, and arrest him, then a citizen should be entitled to summon assistance in order to
    effectuate the arrest because the suspect’s expectation of privacy is just as fatally compromised when he
    invites an informant into his house and displays his illegal activity to him as it is when he invites a
    government agent. 
    Paul, 808 F.2d at 648
    (noting that an owner’s interest in the privacy of his home is
    fatally compromised when he “admits a confidential informant and proudly displays contraband to him” and
    that “[i]t makes no difference that the owner does not know he is dealing with an informant).
    an undercover agent into his home (consent), and, in any event, the court continued, “any remaining expectation of privacy was
    outweighed by the legitimate concern for the safety of the officers inside” (exigent 
    circumstances). 103 F.3d at 1478
    .
    3
    Although police officers cannot create exigent circumstances to justify their entry into a suspects home, see Williams, 
    354 F.3d 497
    , 504 (6th Cir. 2003), if an undercover agent or informant in a suspect’s home were to find herself to be in danger due
    to circumstances that she neither created nor which she could have readily averted, then the subsequent entry of officers to aid
    her would be supported by exigent circumstances.
    4
    The ability of officers to seize evidence in plain view does not justify the entry of back-up officers into the suspect’s home.
    Neither does the theory of collective knowledge justify it. The fact that we can impute the knowledge of the officer inside the
    suspect’s home to the back-up officers does not entitle the back-up officers to enter. If these powers were the pillars upon which
    the doctrine rested, then Pollard would have been decided incorrectly.
    5
    The dissents chastisement that we are “deputizing the lawless” evidences a misunderstanding as to the basis of the doctrine.
    Since the doctrine is not based on police powers, as explained in footnote 
    4, supra
    , no police powers are “entrusted” to the
    informants. If any police power were necessary to support this doctrine, it would be the arrest power, a power which has been
    granted to the citizens of Tennessee, including to those without a spotless past.
    No. 03-5875            United States v. Yoon                                                         Page 9
    Having adopted the “consent-once-removed” doctrine with respect to an undercover agent calling
    upon police back-up to effect an arrest based upon probable cause disclosed to him in his undercover
    capacity, there is no justifiable distinction between the undercover officer’s and an informant’s ability to
    call upon the police to aid in the arrest. The consent in each instance is given without knowledge of the
    undercover status of the visitor.
    No. 03-5875             United States v. Yoon                                                        Page 10
    _________________
    DISSENT
    _________________
    RONALD LEE GILMAN, Circuit Judge, dissenting. I agree with the majority that the language in
    United States v. Pollard, 
    215 F.3d 643
    , 648 (6th Cir. 2000), that applies the doctrine of consent once
    removed to an informant is dicta. In addition, I believe that the majority has properly recognized the
    Supreme Court’s admonition that “[t]he Court has often heard, and steadfastly rejected, the invitation to
    carve out further exceptions to the warrant requirement for searches of the home.” Illinois v. Rodriguez,
    
    497 U.S. 177
    , 192 (1990). But the majority then proceeds to disregard this admonition in the case before
    us, compelling me to dissent. For the reasons set forth below, I would REVERSE the judgment of the
    district court, VACATE Yoon’s sentence, and REMAND the case for further proceedings.
    I. ANALYSIS
    A.     Extension of the consent-once-removed doctrine to informants
    As noted by the majority, the Seventh Circuit has extended the doctrine of consent once removed
    to civilian informants. See United States v. Paul, 
    808 F.2d 645
    , 648 (7th Cir. 1986) (holding that the
    doctrine of consent once removed “extends to the case where the initial, consensual entry is by a
    confidential informant”); see also United States v. Diaz, 
    814 F.2d 454
    , 459 (7th Cir. 1987) (noting that the
    doctrine applies “only where the agent (or informant) [who] entered at the express invitation of someone
    with authority to consent . . . established the existence of probable cause to effectuate an arrest or search,
    and immediately summoned help from other officers”). Subsequent Seventh Circuit cases have followed
    Paul and Diaz. See United States v. Akinsanya, 
    53 F.3d 852
    , 856 (7th Cir. 1995) (upholding the
    constitutionality of a warrantless search conducted by the police after an informant had been given consent
    to enter); United States v. Jachimko, 
    19 F.3d 296
    , 299 (7th Cir. 1994) (holding that the district court erred
    in failing to apply the rule announced in Paul and Diaz to a warrantless search based upon a signal from an
    informant granted access to the residence).
    Several other courts, both federal and state, have adopted the doctrine of consent once removed, but
    almost all of these cases, like our own case of Pollard, have actually applied the doctrine only to police
    officers rather than to informants. See, e.g., United States v. Bramble, 
    103 F.3d 1475
    , 1478-79 (9th Cir.
    1996) (adopting the doctrine of consent once removed to determine the constitutionality of a search based
    on consent given to an undercover police officer); State v. Henry, 
    627 A.2d 125
    , 130-131 (N.J. 1993)
    (upholding the constitutionality of an arrest effected after an undercover police officer gained consent to
    enter and then briefly exited the apartment to summon backup help). Although most of these cases contain
    dicta similar to that in Pollard, I have found only one outside of the Seventh Circuit that has applied the
    concept to an informant. See Baith v. State, 
    598 A.2d 762
    , 766-68 (Md. 1991) (upholding the
    constitutionality of a search based on consent given to an informant, but not explicitly discussing the
    doctrine of consent once removed). Because I find the reasoning of such cases unpersuasive and contrary
    to Supreme Court jurisprudence regarding warrantless searches and seizures, I would have the Sixth Circuit
    reject this extension of the consent-once-removed doctrine.
    B.     The majority’s severance of probable cause from the warrant requirement is
    unjustified
    As stated by the majority, the informant’s signal to the police “established the necessary probable
    cause to effectuate an arrest.” Maj. Op. at 5. The opinion fails to note, however, that, in the absence of
    exigent circumstances, the existence of probable cause simply entitles the police to obtain a warrant to enter
    a home, not to charge inside without a warrant. See Illinois v. Rodriguez, 
    497 U.S. 177
    , 181 (1980) (“The
    Fourth Amendment generally prohibits the warrantless entry of a person’s home, whether to make an arrest
    or to search for specific objects.”). Indeed, if this were not the law, there would be no need for the warrant
    No. 03-5875             United States v. Yoon                                                          Page 11
    requirement at all—police officers could simply invade homes whenever they deemed that probable cause
    existed, without the intervention of a neutral magistrate. Such a severance of probable cause from the
    warrant requirement is completely unjustified.
    C.     Expanding the doctrine of consent once removed to informants ignores the conceptual basis
    of the doctrine and improperly gives police powers to suspect informants
    The doctrine of consent once removed is made conceptually possible by law-enforcement powers
    that have been granted to the police, but never to civilians. These powers consist of (1) the ability of police
    officers to lawfully seize incriminating evidence in plain view, and (2) the theory of collective knowledge,
    under which the knowledge of one law enforcement officer can be imputed to another if the other is working
    on the same investigation. The Supreme Court’s enunciation of the “plain-view doctrine” explicitly assumes
    that the evidence is in the plain view of police officers. See Horton v. California, 
    496 U.S. 128
    , 136-37
    (1990) (“It is . . . an essential predicate to any valid warrantless seizure of incriminating evidence that the
    officer did not violate the Fourth Amendment in arriving at the place from which the evidence could be
    plainly viewed.”) (emphasis added).
    Likewise, courts have imputed collective knowledge about criminal investigations to law
    enforcement officials, not to the general public. See Collins v. Nagle, 
    892 F.2d 489
    , 495 (6th Cir. 1989)
    (noting that “[m]any circuits, including our own, have determined that probable cause may be established
    from the collective knowledge of the police rather than solely from the officer who actually made the
    arrest”) (emphasis added); see also United States v. Woods, 
    544 F.2d 242
    , 260 (6th Cir. 1976) (describing
    the collective knowledge theory as imputing mutual knowledge to “a group of agents in close
    communication with one another [who] determine[] that it is proper to arrest an individual. . . .”).
    Indeed, this circuit has made an explicit distinction between imputing the knowledge of law
    enforcement officials to each other and imputing the knowledge of an informant to law enforcement
    officials: “The danger of [a law enforcement official’s] having falsified his information is simply not as
    great as with an unnamed criminal informer who may be seeking favorable treatment from the government
    or revenge against the suspect.” United States v. Calandrella, 
    605 F.2d 236
    , 246 (6th Cir. 1979) (imputing
    knowledge of an SEC official about suspicious securities transactions to other law enforcement officials).
    I have no problem with the proposition that a suspect who voluntarily consents to the entry of a law
    enforcement officer waives the right to insist on a search warrant. Nor do I question the wisdom of the
    consent-once-removed doctrine that imputes collective knowledge among law enforcement officers. What
    gives me grave concern is the extension of the doctrine to lay informants, because the extension entrusts to
    ordinary civilians law-enforcement powers previously given only to the police.
    Furthermore, these powers are entrusted to a suspect class of civilians—informants who themselves
    often have criminal charges pending and therefore have every reason to curry favor with the police in the
    hope of receiving lenient treatment for their own wrongdoing. Thus, by not recognizing the conceptual
    basis for the consent-once-removed doctrine, the majority effectively deputizes the very criminals from
    whom law enforcement officials should be protecting law-abiding citizens.
    D.     As Yoon’s case illustrates, an expansion of the consent-once-removed doctrine is
    unnecessary
    The Supreme Court has vigorously affirmed the importance of the warrant requirement and has long
    since warned against attempts to undercut it. In addition to Illinois v. Rodriguez, 
    497 U.S. 177
    , 192 (1990),
    see Johnson v. United States, 
    333 U.S. 10
    , 15 (1948), in which the Court held that “the inconvenience to
    the officers and . . . slight delay necessary to prepare papers and present the evidence to a magistrate” is not
    a sufficient reason to abrogate the warrant requirement. As the facts of Yoon’s case well illustrate, the
    majority’s invitation for the police to avoid the inconvenience of the warrant requirement by having
    informants obtain consent to enter homes is entirely unnecessary.
    No. 03-5875             United States v. Yoon                                                           Page 12
    Here, for example, there was no justifiable reason for the police not to seek a warrant before entering
    Yoon’s apartment. “[T]here can be no claim that immediate police action was needed to prevent the
    destruction of vital evidence or thwart the escape of known criminals.” United States v. Morgan, 
    743 F.2d 1158
    , 1163 (6th Cir. 1984) (holding that the warrantless entry and search of the defendant’s home was
    illegal because, “[a]bsent exigent circumstances, police officers may not enter an individual’s home or
    lodging to effect a warrantless arrest or search”); see also United States v. Killebrew, 
    560 F.2d 729
    , 734 (6th
    Cir. 1977) (holding that a warrantless entry could not be justified on the ground that the suspect might
    escape, where he “was not known to be dangerous and no grave offense or crime of violence was threatened
    or indicated”).
    The only exigent circumstances in this case were created by the police themselves. According to
    the testimony of TBI Officer Margie Williams, the police did not give Kim enough money to complete the
    drug deal, and concern for Kim’s safety was one reason for the raid. But, as noted in Morgan, “[p]olice
    officials . . . are not free to create exigent circumstances to justify their warrantless 
    intrusions.” 743 F.2d at 1163
    . What the police gained from this entry—and what the majority holds to be of greater importance
    than the warrant requirement—was thus nothing more than the avoidance of “the inconvenience to the
    officers,” 
    Johnson, 333 U.S. at 15
    , in obtaining a warrant.
    E.      Citizens’ power of arrest
    The majority also points out that a Tennessee citizen can legally arrest another whom he or she has
    reasonable cause to believe has committed a felony. See T.C.A. § 40-7-109(a) (2004) (“A private person
    may arrest another . . . [w]hen a felony has been committed, and the arresting person has reasonable cause
    to believe that the person arrested committed it.”). From this premise, however, the majority makes the
    unwarranted assertion that a private citizen who witnesses a felony in a person’s home can give the police
    permission to burst into the home without a warrant in order to assist in the arrest. Maj. Op. at 7, n.2. No
    authority is cited in support of this novel proposition other than this court’s dicta in Pollard. 
    Id. The majority’s
    assertion ignores the difference between the restrictions that the Fourth Amendment
    places on state actors, such as police officers, and the restrictions it places on private citizens. Even if a
    private citizen in Kim’s position could enter Yoon’s home and arrest him, the consent given to that private
    citizen would not permit the police to engage in a warrantless arrest inside the home absent exigent
    circumstances or consent specifically given to a police officer. See, e.g., Coolidge v. New Hampshire, 
    403 U.S. 443
    , 474 (1971) (holding that “a search or seizure carried out on a suspect’s premises without a warrant
    is per se unreasonable, unless the police can show that it falls within one of a carefully defined set of
    exceptions based on the presence of exigent circumstances”) (emphasis added).
    F.      Sentencing issues
    Because I would reverse Yoon’s conviction, I would also vacate his sentence. See United States v.
    Jenkins, 
    345 F.3d 928
    (6th Cir. 2003) (“Because we reverse [the defendant’s] conviction, we need not
    address her argument that the district court erred in denying her a two-level reduction . . . or her argument
    that the district court erred in failing to sentence her pursuant to [the Guidelines’] safety-valve provisions.”)
    Yoon’s argument that his sentence is unconstitutional under Blakely v. Washington, 542 U.S. __, 
    124 S. Ct. 2531
    , 2536-37 (2004), is similarly moot in my view.
    II. CONCLUSION
    In sum, I believe that the majority’s decision to expand the doctrine of consent once removed to
    informants seriously chips away at the Fourth Amendment’s prohibition against warrantless searches and
    seizures. By severing probable cause from the warrant requirement and deputizing the lawless, the majority
    invites police officers to evade the warrant requirement for reasons no more pressing than mere
    convenience. This is directly contrary to the Supreme Court’s admonition in Coolidge that a seizure carried
    out on a suspect’s premises without a warrant is per se unreasonable in the absence of exigent
    No. 03-5875            United States v. Yoon       Page 13
    circumstances. I therefore respectfully dissent.