United States v. Kelly, Vernell ( 2008 )


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  •                               In the
    United States Court of Appeals
    For the Seventh Circuit
    ____________
    No. 06-1808
    UNITED STATES OF AMERICA,
    Plaintiff-Appellee,
    v.
    VERNELL KELLY,
    Defendant-Appellant.
    ____________
    Appeal from the United States District Court
    for the Northern District of Illinois, Eastern Division
    No. 05 CR 269—Elaine E. Bucklo, Judge.
    ____________
    ARGUED APRIL 2, 2007—DECIDED MARCH 10, 2008
    ____________
    Before RIPPLE, ROVNER, and WOOD, Circuit Judges.
    ROVNER, Circuit Judge. A jury convicted of Vernell Kelly
    of knowingly possessing a firearm following a felony
    conviction, in violation of 
    18 U.S.C. § 922
    (g)(1), and know-
    ingly and intentionally possessing, with the intent to
    distribute, crack cocaine, in violation of 
    21 U.S.C. § 841
    (a)(1). The district court ordered him to serve a
    prison term of 235 months. Kelly appeals, contending
    that the evidence was insufficient to establish his posses-
    sion of both the firearm and the cocaine underlying one
    of the two narcotics charges against him, that the evid-
    ence did not adequately establish that the cocaine attrib-
    2                                             No. 06-1808
    uted to him took the form of crack cocaine, and that the
    district court improperly characterized him as a career
    offender for sentencing purposes. We affirm.
    I.
    A tip brought Chicago police officers to the corner of
    Homan and Carroll Streets on Chicago’s west side, where
    the officers were told defendant-appellant Kelly was
    distributing crack cocaine. Shortly before midnight on
    the night of June 16, 2004, undercover officer Patrick
    Thelen observed what appeared to be a drug transaction.
    Kelly pulled up to the scene in a van and exited the
    vehicle. Another man approached Kelly, conversed with
    him briefly, and then handed him money. Kelly then
    removed a golf-ball sized object from a plastic bag in the
    back of his pants, handed the object to the other man,
    and put the plastic bag back into his pants. The other
    man walked away. Thelen radioed his fellow officers,
    who were parked a short distance away, to move in on
    Kelly. As Thelen himself began to approach Kelly, he
    saw Kelly remove the plastic bag from his pants and
    drop it to the ground. Officer Mireya Lipsey retrieved the
    bag and discovered that it contained another golf ball-
    sized object, which turned out to be twenty small packets
    each containing a white, chunk-like substance that she
    suspected was crack cocaine. The twenty bags had blue
    stars on them. Kelly was placed under arrest and advised
    of his rights. A search of his van produced no additional
    contraband.
    A set of keys for a basement apartment at 3309 West
    Warren in Chicago was discovered on Kelly’s person.
    According to the police, Kelly identified 3309 West
    No. 06-1808                                                3
    Warren as his address. The police proceeded to that
    apartment to continue their investigation.
    Shortly after midnight, the arresting officers called at
    3309 West Warren. Betsy Washington answered the door
    to the basement apartment. Washington is the mother of
    Kelly’s daughter. Washington and their daughter resided
    in the apartment along with Zippora Collins and her
    daughter. The police solicited and received Washington’s
    written consent to search the apartment.
    The apartment contained three bedrooms. Collins
    would later testify that she and her daughter occupied
    two of the bedrooms and that Washington and her daugh-
    ter occupied the third. According to Collins, she saw
    Kelly at the apartment three to four times per week in
    June of 2004. She would only see Kelly in the mornings,
    because Collins typically arrived home at a late hour
    when everyone else in the apartment was asleep.
    In the bedroom occupied by Washington and her daugh-
    ter, Thelen discovered a .45-caliber semiautomatic
    Ruger firearm loaded with hollow-point ammunition. In
    the same room, Lipsey discovered three pieces of mail
    addressed to Kelly at the Warren Street address. Among
    them was a letter to Kelly from the Social Security Admin-
    istration dated June 10, 2004—six days prior to Kelly’s
    arrest.
    In addition to the gun, the officers also retrieved cocaine
    from the apartment. In a utility closet, Officer Brian Spain
    discovered a large plastic bag containing nine smaller
    plastic bags, each of which in turn contained thirteen mini
    Ziploc bags, for a total of 117 bags. Each of the mini
    Ziploc bags contained a white, rock-like substance that
    appeared to be crack cocaine. Each of the mini bags was
    4                                              No. 06-1808
    also marked with blue stars like those found on the bags
    that Kelly had dropped at Homan and Carroll.
    Spain would later testify that mini Ziploc bags are
    commonly used by narcotics traffickers on Chicago’s
    west side. He also indicated that he had seen a number
    of such bags with various types of markings (for ex-
    ample, blue devils and red boats) on them. However,
    he had never before seen bags marked with blue stars.
    Their search of the Warren Street apartment complete,
    officers returned to the police station to question Kelly.
    Kelly was again advised of Miranda rights. When shown
    the gun and the cocaine that had been discovered in the
    apartment, Kelly remarked that “my baby’s mama don’t
    know nothing about my gun and the rocks,” or words
    to that effect—although Thelen was certain that he used
    the term “rocks.” R. 85-7 at 135-36, 213. Kelly indicated
    that he had obtained the gun from a friend and that he
    kept it for his protection.
    A grand jury subsequently returned a three-count
    indictment against Kelly. Count One charged Kelly
    with knowingly possessing a firearm in or affecting
    interstate commerce following a conviction for a felony. See
    
    18 U.S.C. § 922
    (g)(1). Counts Two and Three charged
    Kelly with possessing more than five grams of a sub-
    stance containing cocaine base in violation of 21 U.S.C.
    841(a)(1). Count Two involved the cocaine recovered at
    the scene of Kelly’s arrest at Homan and Carroll Streets.
    Count Three involved the cocaine recovered from the
    Warren Street apartment.
    Prior to trial, Kelly moved unsuccessfully to suppress
    all of the physical evidence obtained from both the scene
    of the arrest and the apartment at 3309 West Warren. Kelly
    No. 06-1808                                                  5
    argued that his detention and seizure at the arrest scene
    was contrary to the Fourth Amendment. He testified,
    contrary to the arresting officers, that he had not engaged
    in any drug transaction and had not dropped a plastic
    bag to the ground before he was detained. Instead, Kelly
    asserted that as he parked his van and got out to patronize
    a nearby liquor store, the officers stopped him, ordered
    him onto the ground, handcuffed him, and searched him
    and then the van. Although Kelly did agree that he had
    cocaine in his possession—specifically, a “20-pack” of
    cocaine—he testified that it was in the van rather than
    in the plastic bag that officers testified he had dropped
    to the ground. Because the officers lacked a basis on
    which to stop him and engage in the search, Kelly argued,
    the cocaine seized from his van along with the gun and
    cocaine found at the 3309 West Warren apartment all
    should be suppressed pursuant to the exclusionary rule.
    See Wong Sun v. United States, 
    371 U.S. 471
    , 484-85, 487-88,
    
    83 S. Ct. 407
    , 416, 417 (1963). The district court denied
    Kelly’s motion, observing that the merits of the motion
    depended on whose version of events the court was to
    credit (Kelly’s or that of the two officers who testified), and
    the court found the government’s evidence to be more
    credible. R. 27.
    As noted, Counts Two and Three of the indictment
    charged Kelly with possessing, with the intent to distribute,
    more than five grams of a mixture containing cocaine
    base in the form of crack cocaine. R. 5 at 2, 3. Although
    the quantity and particular type of controlled substance
    are not elements of the crime prohibited by 
    21 U.S.C. § 841
    ,
    e.g., United States v. Martinez, 
    301 F.3d 860
    , 865 (7th Cir.
    2002), they do have an important effect on the statutory
    range of punishment to which the defendant is exposed.
    6                                                 No. 06-1808
    Possessing with the intent to distribute a detectable amount
    of any schedule II controlled substance is punishable by
    a prison term of 0 to 20 years, § 841(b)(1)(C), whereas
    possessing more than five grams of a mixture or substance
    containing cocaine base in the form of crack cocaine
    exposes the defendant to 5 to 40 years in prison,
    § 841(b)(1)(B)(iii). The two most common types of cocaine
    found in the United States are cocaine hydrochloride,
    which typically takes the form of a white powder and is
    water soluble, and crack cocaine, a form of cocaine base
    that typically takes a chunky, rock-like form and is not
    water soluble. Cocaine hydrochloride can be converted
    to cocaine base by dissolving it in water, bringing it to a
    boil, and then adding a base—usually sodium bicarbonate.
    Sodium bicarbonate reacts with the hydrochloride to form
    table salt, freeing the cocaine base, which eventually
    settles to bottom of the liquid. When the liquid is poured
    off, what is left is cocaine base in a solid form typically
    referred to as “crack.” See R. 85-8 at 282-84; United States v.
    Edwards, 
    397 F.3d 570
    , 574 (7th Cir. 2005); United States v.
    Booker, 
    70 F.3d 488
    , 490-91 (7th Cir. 1995). Cocaine base
    can take other forms, so although all crack is cocaine base,
    not all cocaine base is crack. Edwards, 
    397 F.3d at 571
    .
    DEA forensic chemist Anthony Harris testified at
    Kelly’s trial that the substances found at both the scene of
    Kelly’s arrest, at Homan and Carrol Streets, and at the
    apartment at 3309 West Warren chemically were cocaine
    base. Exhibit 5, the cocaine retrieved from the scene of
    Kelly’s arrest, had a purity of 90 percent. Exhibit 6, the
    cocaine found at 3309 West Warren, had a purity of 81
    percent. No sodium bicarbonate was found in either
    exhibit, but Harris testified it was possible that the bicar-
    bonate had been removed in the process of pouring off
    No. 06-1808                                              7
    the liquid; it was also possible that another base had been
    used to convert the powder cocaine into crack.
    FBI Special Agent Michael Culloton, who worked as
    part of a task force investigating drugs and street gangs,
    and whom the court recognized as an expert in the iden-
    tification and packaging of crack cocaine, opined that
    Exhibit 6, the cocaine recovered from the Warren Street
    apartment, was crack cocaine. He noted that it was off-
    white in color, had a rock-like appearance and texture,
    and was packaged in small quantities in small Ziploc
    bags consistent with the way in which crack cocaine is
    typically sold on the street. The blue stars on the bags
    were consistent with the sorts of markings that cocaine
    dealers use to differentiate their products. Also, accord-
    ing to a police report, Kelly had referred to the substance
    retrieved from 3309 West Warren as “rock” and that is
    a street term used to refer to crack cocaine.
    Exhibit 5, the cocaine recovered from the scene of
    Kelly’s arrest, had been entirely ground up for testing
    without first being photographed, so Culloton could not
    testify based on observation of the remainder whether
    the cocaine was, in fact, crack cocaine. Culloton did
    testify that if the substance had the same physical charac-
    teristics as Exhibit 6, he would conclude it was crack
    cocaine. One reason factoring into his opinion was that the
    mini Ziploc bags in which the cocaine recovered from the
    arrest scene had been packaged were consistent with 20
    individual user-sized quantities of crack cocaine for sale.
    Kelly took the witness stand in his own defense. Kelly
    acknowledged that he was a regular user of narcotics, and
    he admitted that he was in possession of a twenty-pack of
    cocaine on the evening of his arrest, but he denied that
    he was distributing cocaine. Consistent with the account
    8                                              No. 06-1808
    he gave at the pre-trial suppression hearing, Kelly testi-
    fied that on the night of June 16, 2004, he had just arrived
    at the intersection of Homan and Carroll Streets and was
    alighting from his minivan in order to enter a nearby
    grocery and liquor store. Suddenly, police cars pulled up,
    he was ordered onto the ground, handcuffed, and placed
    in a squad car. Kelly denied that he had conducted any
    type of narcotics transaction before the police officers
    seized him. The twenty-pack of cocaine was found in
    the van, he insisted; only his keys and his wallet were
    on his person at the time of the arrest. Kelly also denied
    that the gun and the cocaine found at the Warren Street
    apartment were his, and he denied ever telling the police
    that they were his. Although Kelly acknowledged that he
    visited the Warren Street apartment daily in order to pick
    up his daughter and take her to a babysitter, and also
    that he had plans to meet Washington there later that
    same evening, he denied that he lived or slept at that
    apartment. He indicated that he had his own residence
    elsewhere. He explained that he had his Social Security
    disability check sent to the Warren Street apartment
    because he provided child support to Washington from
    that check and previously one of his checks had been
    stolen. The two other pieces of mail addressed to Kelly
    that had been found at the apartment were bills for a
    cellular telephone, and he indicated that the bill was
    sent to the Warren Street address because the phone was
    one that Washington used and for which she paid.
    The jury found Kelly guilty on all three counts of the
    indictment. R. 40. As to the narcotics charges set forth
    in Counts Two and Three, the jury returned a special
    verdict form indicating that the substance Kelly had
    possessed in each instance amounted to at least five but
    No. 06-1808                                               9
    less than 50 grams of cocaine base in the form of crack
    cocaine. R. 41.
    Kelly subsequently moved for a judgment of acquittal
    or, in the alternative, a new trial. He asserted that the
    government had failed to prove that he possessed the
    cocaine and gun found at the Warren Street apartment. He
    also argued that the government had not adequately
    shown that the cocaine found at either the apartment or
    at the scene of his arrest was crack cocaine as opposed
    to some other form of cocaine base. The district court
    denied his motions without comment. R. 45.
    In advance of sentencing, the probation officer prepared
    a Pre-Sentence Report (“PSR”) which, among other
    things, categorized Kelly as a career offender. See
    U.S.S.G. § 4B1.1. The probation officer’s finding in that
    regard was based on two prior felony convictions, both
    for the possession of a controlled substance with the
    intent to deliver. Although Kelly objected to other aspects
    of the PSR, he raised no objection to the determination
    that his prior convictions rendered him a career offender.
    R. 52. The career offender designation turned out to
    have made no difference in Kelly’s offense level, but it did
    raise his criminal history category from IV to VI, and
    boosted the advisory Guidelines sentence on the narcotics
    counts from a range of 210 to 262 months to 262 to 327
    months.
    The district court ordered Kelly to serve a sentence of
    120 months (the statutory maximum) on Count One (the
    firearm charge), and concurrent terms of 235 months on
    Counts Two and Three. Kelly’s total sentence of 235
    months was thus 27 months below the bottom end of the
    advisory Guidelines range.
    10                                                No. 06-1808
    II.
    A.
    Kelly first challenges the sufficiency of the evidence to
    support the notion that he possessed the firearm and
    cocaine found at 3309 West Warren.1 As Kelly acknowl-
    edges, possession can be constructive rather than actual.
    E.g., United States v. Bustamante, 
    493 F.3d 879
    , 889 (7th Cir.
    2007), cert. denied, 
    2008 WL 261128
     (U.S. Feb. 25, 2008).
    Constructive possession exists when, although the object
    is not in the defendant’s actual possession, he knowingly
    has the power and intention at a given time to exercise
    dominion and control over the object. 
    Id.
     Of course,
    possession can be shown through circumstantial as well
    as direct evidence. United States v. Gilbert, 
    391 F.3d 882
    ,
    886 (7th Cir. 2004). We previously have sustained convic-
    tions for the possession of contraband found in a defen-
    dant’s home, Bustamante, 
    493 F.3d at 889
    , or at his girl-
    friend’s home, United States v. Wilson, 
    922 F.2d 1336
    , 1339
    (7th Cir. 1991).
    1
    Relatedly, Kelly argues that the district court should have
    suppressed or excluded evidence of the items found at the
    Warren Stret apartment because there was insufficient evid-
    ence to establish, even as a threshold matter, that he construc-
    tively possessed those items. This was not an argument that
    he made below in support of his motion to suppress or at trial.
    He therefore forfeited this argument, confining our review
    to one for plain error alone. United States v. Haskins, 
    511 F.3d 688
    , 694 (7th Cir. 2007). For the same reasons that we find the
    evidence sufficient to support his conviction for possessing
    the firearm and the cocaine found at 3309 West Warren, we
    find no plain error in the admission of evidence concerning
    the gun and the cocaine.
    No. 06-1808                                                   11
    In Kelly’s view, the evidence was insufficient to demon-
    strate that either the gun or cocaine were under his con-
    trol. He points out that neither the firearm nor the ammuni-
    tion had his fingerprints on them. There was no evidence
    that the gun was found among his personal belongings.
    There is no dispute that he had a set of keys to the apart-
    ment on his person at the time of his arrest and that he
    frequented the apartment (he regularly picked up his
    daughter from the apartment and took her to her maternal
    grandmother to watch), and Kelly admits that he received
    some mail there. But, he adds, the record is devoid of
    indicia (e.g., the presence of his toiletries) that he actually
    lived at the apartment, such that the inference of posses-
    sion could be drawn more easily. He denies having re-
    ferred to the pistol as his.2 As to the cocaine, he makes
    the same arguments, and adds that there is no evidence
    that the baggies in which the cocaine was packaged were
    identical to those found at the scene of his arrest, or that
    the cocaine found at the apartment had the same purity
    and chemical signature as that discovered at the arrest
    scene. On the contrary, the testimony revealed that they
    had different purities.
    2
    Kelly suggests that the testimony concerning his alleged
    statement should not have been allowed “because it created an
    improper nexus between Mr. Kelly and the items seized.” Kelly
    Amended Br. 13. We discern no error in the admission of
    this testimony, however. If, as the government’s evidence
    indicated, Kelly freely made this statement after being ap-
    prised of his Miranda rights, his statement was both admissible
    and probative. Whether he in fact made the statement pre-
    sented a straightforward credibility question for the jury. E.g.,
    United States v. Earnest, 
    129 F.3d 906
    , 912-13 (7th Cir. 1997).
    12                                              No. 06-1808
    The evidence is sufficient to support the jury’s finding
    that Kelly possessed the cocaine and pistol found at the
    apartment. We are, of course, obliged to view the evid-
    ence in a light most favorable to the government and to
    sustain the jury’s finding so long as any rational factfinder
    could have made the same determination. See Jackson v.
    Virginia, 
    443 U.S. 307
    , 319, 
    99 S. Ct. 2781
    , 2789 (1979). As
    Kelly concedes, he had access to and frequented the
    Warren Street apartment. Indeed, he not only had keys
    to the apartment in his possession when he was arrested,
    but he gave the Warren Street address as his own address
    to the arresting officers. The gun was found in the room
    occupied by his daughter and her mother. Mail addressed
    to Kelly was found in that same room. The cocaine was
    found elsewhere in the apartment, but it was packaged
    similarly to that found at the scene of the arrest, with
    the baggies bearing the same blue stars as those which
    marked the baggies found at the scene of the arrest. The
    fact that the cocaine found in the apartment had a dif-
    ferent purity than the cocaine discovered at Homan and
    Carrol Streets is beside the point, given the abundant
    other evidence linking the cocaine to Kelly. Standing
    out most prominently among that evidence is the testi-
    mony that when confronted with the discovery of the gun
    and the cocaine, Kelly referred to the gun and “the rocks”
    as his and told the police that Washington knew nothing
    about them. Kelly also told the officers that he kept the
    gun for protection. At trial, Kelly denied making these
    statements, but the jury was entitled to credit the police
    testimony over his own denial. Given Kelly’s substan-
    tial ties to the apartment and his own statement that the
    firearm and the “rocks” were his and not Washington’s,
    the evidence was more than sufficient to support the
    No. 06-1808                                               13
    jury’s finding that Kelly possessed both the firearm and
    the cocaine.
    B.
    As we have noted, the jury in rendering its verdict
    specifically found as to both Counts Two and Three that
    Kelly possessed at least five but less than 50 grams of
    cocaine base in the form of crack cocaine. As we have
    noted, possession of that quantity of crack cocaine
    elevates the statutory minimum prison term from zero
    to five years and the statutory maximum term from
    twenty to forty years. Compare 
    21 U.S.C. § 841
    (b)(1)(C) with
    § 841(b)(1)(B)(iii). Kelly argues that the district court
    erroneously denied his post-trial motions for a new trial or
    for entry of a judgment of acquittal as to Counts Two
    and Three, because, in his view, the evidence was insuffi-
    cient to prove that the cocaine he possessed was crack
    cocaine. But in this respect Kelly misapprehends the
    significance of the determination that he possessed a
    particular quantity of crack cocaine. The particular type
    and amount of cocaine that a defendant possesses are not
    elements of the section 841 offense. See, e.g., United States
    v. Gougis, 
    432 F.3d 735
    , 745 (7th Cir. 2005); Knox v.
    United States, 
    400 F.3d 519
    , 523 (7th Cir. 2005). So long as
    Kelly possessed, with the appropriate mental state, a
    detectable amount of a substance or mixture containing
    cocaine base—and Kelly does not dispute that he pos-
    sessed some form of cocaine base—then he is guilty of
    violating section 841. 
    Id.
     Under Apprendi v. New Jersey, 
    530 U.S. 466
    , 
    120 S. Ct. 2348
     (2000) and its progeny, the rele-
    vance of the drug type and quantity determinations lies
    in their effect on the sentence: because they increase the
    14                                                    No. 06-1808
    statutory maximum prison term3 to which the defendant
    is exposed, the jury must make these findings beyond
    a reasonable doubt. E.g., United States v. Flagg, 
    481 F.3d 946
    , 949-50 (7th Cir.), cert. denied, 
    128 S. Ct. 193
     (2007).
    Consequently, the remedy for a failure of proof that a
    defendant possessed a particular amount or type of co-
    caine would not be to grant him a judgment of acquittal
    or a new trial, but rather to remand for re-sentencing
    subject to the default statutory maximum term of twenty
    years. See, e.g., United States v. Noble, 
    246 F.3d 946
    , 955-56
    (7th Cir. 2001). Of course, the sentence that the district
    court ordered Kelly to serve—235 months—is already
    below that maximum. Consequently, Apprendi is not
    implicated. See United States v. Hernandez, 
    330 F.3d 964
    , 980-
    81 & n.11 (7th Cir. 2003) (coll. cases). We shall nonethe-
    less assume that, if the evidence as to type and quantity
    of cocaine he possessed were indeed lacking, Kelly might
    at least have a case to make for a limited remand for the
    district court to consider whether it was inclined to re-
    sentence Kelly. The district court selected the 235-month
    term with reference to a Guidelines range that was
    entirely above the default twenty-year maximum, and
    theoretically the court might have chosen an even lower
    sentence had it known that twenty years was the most
    that it could impose. Cf. United States v. Della Rose, 
    403 F.3d 891
    , 907 (7th Cir. 2005) (where district judge sen-
    tenced defendant at top of Guidelines range believing
    that his discretion was confined to that range, it was
    3
    The finding that Kelly possessed at least five but less than 50
    grams of crack cocaine triggered a statutory minimum prison
    term of five years, but statutory minimum terms do not impli-
    cate Apprendi. Harris v. United States, 
    536 U.S. 545
    , 
    122 S. Ct. 2406
    (2002).
    No. 06-1808                                                  15
    possible judge might have sentenced defendant differ-
    ently knowing that he was free to impose a sentence
    outside of that range) (citing United States v. Paladino, 
    401 F.3d 471
    , 482 (7th Cir. 2005)). However, having reviewed
    the trial record, we conclude that the evidence was ade-
    quate to support the jury’s finding.
    As we noted above, crack cocaine is one form of cocaine
    base. As a base, crack is distinguishable chemically from
    the acid form of cocaine, cocaine hydrochloride, which
    usually takes the form of a powder. See United States v.
    Morris, 
    498 F.3d 634
    , 642 (7th Cir. 2007), petition for cert.
    filed (U.S. Feb. 22, 2008) (No. 07-1094); United States v.
    Edwards, 
    supra,
     
    397 F.3d at 574
    . But it is not chemically
    distinguishable from other forms of cocaine base or from
    cocaine in its natural state. See 
    id.
     (citing United States v.
    Booker, 
    supra,
     
    70 F.3d at 490
    ). “Crack” is a street term (R. 85-
    8 at 284-85), and what serves to differentiate crack cocaine
    from other forms of cocaine base are its form and color as
    well as the way in which it is typically packaged for
    distribution on the street. See Morris, 
    498 F.3d at 642
    ;
    Edwards, 
    397 F.3d at 572-73
    ; see also, e.g., United States v.
    Johnson, 
    437 F.3d 69
    , 75 (D.C. Cir. 2006); United States v.
    Waters, 
    313 F.3d 151
    , 156 (3d Cir. 2002); United States v.
    Dent, 
    149 F.3d 180
    , 190 (3d Cir. 1998). Crack cocaine
    typically assumes a lumpy, rock-like form and has an off-
    white or yellowish cast. U.S.S.G. § 2D1.1(c), Note D;
    Edwards, 
    397 F.3d at 372-73
    . Individual bits or “rocks” of
    crack cocaine commonly are packaged in small plastic
    bags for distribution at the street level. See R. 85-7 at 210-
    11; R. 85-8 at 304; e.g., Morris, 
    498 F.3d at 642
    ; United States
    v. Griffin, 
    194 F.3d 808
    , 817 (7th Cir. 1999).
    DEA chemist Harris analyzed the chemical composi-
    tion of the cocaine found at the scene of Kelly’s arrest
    and at the Warren Street apartment and testified that in
    16                                              No. 06-1808
    both instances it was cocaine base. Harris acknowledged
    that no traces of sodium bicarbonate were discovered in
    either instance. But this did not rule out the possibility
    that the substance constituted crack cocaine. As Harris
    testified, sodium bicarbonate is not the only base that can
    be used to convert cocaine hydrochloride into crack
    cocaine. Moreover, even when sodium bicarbonate is
    used, because it is water soluble it is possible for all
    remnants of it to be disposed of when the liquid is poured
    off at the conclusion of the conversion process.
    As to the cocaine base found at the Warren Street apart-
    ment, Special Agent Culloton’s testimony supplied an
    ample basis for the jury to conclude that this was crack
    cocaine. What remained of this cocaine after testing
    had been preserved in the same form in which it had
    been discovered, and as set forth above, Culloton testi-
    fied based on his experience that the substance looked
    like crack cocaine: it had an off-white color and a rock-like
    appearance and texture. Moreover, the cocaine was pack-
    aged in a manner consistent with the sale of individual user
    quantities, and the blue stars on the mini Ziploc bags were
    consistent with the markings cocaine dealers used to brand
    their products. Finally, as Culloton pointed out, Kelly
    himself had referred to the cocaine as “rock” or “rocks,”
    which is a street term commonly used in reference to crack
    cocaine. See United States v. Earnest, 
    185 F.3d 808
    , 812 (7th
    Cir. 1999) (sellers and buyers of crack cocaine are experts
    in what constitutes crack).
    The evidence as to the cocaine base recovered from the
    scene of Kelly’s arrest is less complete, because none of
    that cocaine was preserved in the same form in which it
    had been discovered nor was it photographed before it
    was ground up for testing. Consequently, the most that
    Culloton could say was that if the cocaine base had the
    No. 06-1808                                                 17
    same appearance as that found in the Warren Street
    apartment, he would surmise that it was crack cocaine.
    He also said that the packaging of the cocaine was con-
    sistent with individual-user quantities.
    Still, we view the evidence as sufficient to support the
    jury’s finding that this too was crack cocaine. The trial
    testimony established that the cocaine was in a rock form
    before it was ground up for testing. R. 85-7 at 181; R. 85-8
    at 275. The cocaine was packaged in the same manner as
    the cocaine found at the Warren Street apartment, and the
    small Ziploc baggies in which the cocaine was packaged
    bore the same blue stars as the baggies used to package
    the cocaine found at the apartment. As the substance
    was packaged in the same way, and in comparable user-
    sized quantities, as the crack cocaine found at the War-
    ren Street apartment, it is a rational inference that this
    cocaine base was crack cocaine. Finally, although Kelly’s
    counsel attempted to suggest that the cocaine might
    have been in paste form (which, like crack, can be smoked
    and is smoked in the Andes, see United States v. Brisbane,
    
    367 F.3d 910
    , 911 (D.C. Cir. 2004)), the testimony estab-
    lishes that this is quite unlikely: DEA forensic chemist
    Harris testified that he had never seen coca paste in his
    seven-plus years as a forensic chemist (R. 85-8 at 291) and
    that the high level of purity of the cocaine he tested in this
    case was inconsistent with it being coca paste (R. 85-8 at
    296); and Officer Lipsey testified that in her five years
    of narcotics surveillance on Chicago’s west side, she
    had never come into contact with coca paste nor heard of
    it being distributed (R. 85-7 at 196).4
    4
    At one point in his testimony, Culloton, noting that the
    laboratory report regarding Exhibit 6 (the cocaine found at the
    (continued...)
    18                                                  No. 06-1808
    C.
    Finally, Kelly contends that he was improperly desig-
    nated a career offender for sentencing purposes. Section
    4B1.1(a) of the Guidelines provides that a defendant is a
    career offender if (1) he was at least eighteen years old
    when he committed the offense of conviction, (2) the
    offense of conviction is a felony that qualifies as either
    a crime of violence or a controlled substance offense,
    and (3) the defendant has at least two prior felony con-
    victions for either a crime of violence or a controlled
    substance offense. The career offender designation in-
    creases the advisory sentencing range by boosting a
    defendant’s criminal history category to VI (the highest
    category) and by specifying a default offense level that in
    many cases is higher than would otherwise apply. See
    § 4B1.1(b). In this case, as we have noted, Kelly’s offense
    level ultimately was not increased by the designation, but
    his criminal history category was boosted by two levels.
    Kelly concedes that he meets the first two criteria for the
    career offender designation, and that he has one prior
    felony conviction for a crime that qualifies as a con-
    trolled substance offense. However, he contends that the
    record does not support the district court’s conclusion
    4
    (...continued)
    Warren Street apartment) indicated that the substance contained
    cocaine base, remarked that “[c]ocaine base is a form of crack
    cocaine.” R. 85-8 at 307. That was erroneous; although crack is a
    form of cocaine base, not all cocaine base is crack. Edwards, 
    397 F.3d at 571
    . Kelly suggests that Culloton’s misstatement may
    have misled the jury, but we view that as unlikely. Culloton
    expressly acknowledged on cross-examination that not all
    cocaine base is crack (R. 85-8 at 309), and the parties themselves
    correctly recognized and argued that point throughout the case.
    No. 06-1808                                               19
    that he also has a second prior conviction for a con-
    trolled substance offense that suffices to put him in the
    career offender category. Specifically, he contends that
    the record before the district court did not make clear
    whether the second prior conviction was one for possessing
    a controlled substance with the intent to distribute,
    which would qualify as a controlled substance offense
    for purposes of section 4B1.1, or rather one for simple
    possession, which would not. See § 4B1.2(b) (defining
    “controlled substance offense” to mean a felony offense
    involving the manufacture, import, export, distribution
    or dispensing of a controlled substance or the possession
    of a controlled substance with the intent to manufacture,
    import, export, distribute, or dispense); United States v.
    Atkinson, 
    979 F.2d 1219
    , 1222 (7th Cir. 1992).
    Our review is limited to one for plain error, as Kelly did
    not make this argument below, e.g., United States v. Haskins,
    
    511 F.3d 688
    , 694 (7th Cir. 2007), and no such error occurred
    here. The probation officer’s pre-sentence report (“PSR”)
    described the relevant prior conviction as one
    for possession of a controlled substance with intent to
    deliver, for which conviction Kelly was ordered to serve
    a prison term of three years. R. 82 at 9. So described,
    that conviction met the Guidelines’ definition of a prior
    felony conviction for a controlled substance offense. Kelly
    argues that the record before the district court did not
    confirm the PSR’s characterization of the prior convic-
    tion, because it did not include any of the documenta-
    tion underlying that conviction and, as Kelly now points
    out, the three-year sentence he received was consistent
    with a conviction for simple possession of a controlled
    substance as well as a conviction for possession with the
    intent. But nothing on the face of the PSR gave reason to
    20                                                 No. 06-1808
    question its accuracy, and in the absence of an objection,
    the district court was entitled to rely on its characteriza-
    tion of Kelly’s prior conviction. See Fed. R. Crim. P.
    32(i)(3)(A) (sentencing court “may accept any undisputed
    portion of the presentence report as a finding of fact . . .”);
    e.g., United States v. Sanchez, 
    507 F.3d 532
    , 537 (7th Cir. 2007)
    (defendant bears burden of producing some evidence
    calling into question accuracy of PSR) (coll. cases). And, as
    it turns out, the PSR’s characterization of the prior con-
    viction was entirely accurate: Kelly’s appellate counsel
    obtained a transcript of the 1997 hearing at which Kelly
    changed his plea to one of guilty, and that transcript makes
    clear that Kelly was pleading guilty not to simple posses-
    sion of a controlled substance but rather possession
    with the intent to distribute. Appeal No. 06-1808, Doc.
    No. 30 (letter dated Nov. 6, 2006 from appellant’s coun-
    sel, with attachment). That information forecloses the
    possibility that any error occurred which would war-
    rant relief under the plain error standard. See United
    States v. Nance, 
    236 F.3d 820
    , 825-26 (7th Cir. 2000). Kelly’s
    related argument, that his base offense level on the firearm
    charge was improperly calculated based on the mistaken
    notion that he had two prior convictions for a con-
    trolled substance offense, fails for the same reason.
    III.
    For the foregoing reasons, we AFFIRM Kelly’s convic-
    tion and sentence.
    USCA-02-C-0072—3-10-08