State v. Michael R. Griep , 361 Wis. 2d 657 ( 2015 )


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    2015 WI 40
    SUPREME COURT             OF    WISCONSIN
    CASE NO.:               2009AP3073-CR
    COMPLETE TITLE:         State of Wisconsin,
    Plaintiff-Respondent,
    v.
    Michael R. Griep,
    Defendant-Appellant-Petitioner.
    REVIEW OF A DECISION OF THE COURT OF APPEALS
    Reported at 
    353 Wis. 2d 252
    , 
    845 N.W.2d 24
                                       (Ct. App. 2014 – Published)
    PDC No: 
    2014 WI App 25
    OPINION FILED:          April 23, 2015
    SUBMITTED ON BRIEFS:
    ORAL ARGUMENT:          November 12, 2014
    SOURCE OF APPEAL:
    COURT:               Circuit
    COUNTY:              Winnebago
    JUDGE:               Thomas J. Gritton
    JUSTICES:
    CONCURRED:           ABRAHAMSON, C.J., BRADLEY, J., concur. (Opinion
    Filed)
    DISSENTED:
    NOT PARTICIPATING:    PROSSER, J., withdrew from participation.
    ATTORNEYS:
    For      the    defendant-appellant-petitioner,         the   cause    was
    argued by Tricia J. Bushnell, Kansas City, MO. The briefs were
    filed by Tricia J. Bushnell.
    For      the    plaintiff-respondent,     the   cause   was   argued    by
    Michael C. Sanders, assistant attorney general, with whom on the
    brief was J.B. Van Hollen, attorney general.
    An amicus curiae brief was filed by Keith Findley on behalf
    of The Innocence Network, Madison.
    An   amicus   curiae   brief   was   filed   by   Kelli   S.   Thompson,
    state    public   defender,     and    Jefren   E.   Olson,   assistant   state
    public defender, on behalf of the Office of the State Public
    Defender.
    2
    
    2015 WI 40
                                                                      NOTICE
    This opinion is subject to further
    editing and modification.   The final
    version will appear in the bound
    volume of the official reports.
    No.    2009AP3073-CR
    (L.C. No.    2007CT1130)
    STATE OF WISCONSIN                              :             IN SUPREME COURT
    State of Wisconsin,
    Plaintiff-Respondent,                                     FILED
    v.                                                         APR 23, 2015
    Michael R. Griep,                                                    Diane M. Fremgen
    Clerk of Supreme Court
    Defendant-Appellant-Petitioner.
    REVIEW of a decision of the Court of Appeals.                 Affirmed.
    1     PATIENCE DRAKE ROGGENSACK, J.               We review a decision
    of    the   court   of     appeals1   that   affirmed    the    circuit      court's2
    ruling      that    admitted     an    expert    witness's        testimony        that
    established the blood alcohol concentration (BAC) of Michael R.
    Griep while he was operating his vehicle.                    The expert witness,
    Patrick Harding, based his opinion in part on forensic tests
    conducted by an analyst at the Wisconsin State Laboratory of
    1
    State v. Griep, 
    2014 WI App 25
    , 
    353 Wis. 2d 252
    , 
    845 N.W.2d 24
    .
    2
    The     Honorable      Thomas    J.   Gritton    of     Winnebago      County,
    presided.
    No.     2009AP3073-CR
    Hygiene    (Wisconsin       State    Laboratory)          who    was    unavailable          for
    trial.     Based on Harding's testimony, Griep was convicted of
    operating a motor vehicle while intoxicated (third offense).
    ¶2      Griep     appealed,           contending        that       his         right    of
    confrontation        was    violated       when     the      circuit      court       allowed
    Harding to rely in part on the analyst's forensic test results.
    The court of appeals affirmed, concluding that Griep's right of
    confrontation       was     not   violated        because       Harding       reviewed       the
    analyst's forensic test results and other records and formed an
    independent       opinion    of   Griep's        BAC,   as      approved      in     State    v.
    Williams,3 
    2002 WI 58
    , 
    253 Wis. 2d 99
    , 
    644 N.W.2d 919
    and State
    v. Barton, 
    2006 WI App 18
    , 
    289 Wis. 2d 206
    , 
    709 N.W.2d 93
    .
    State v. Griep, 
    2014 WI App 25
    , ¶¶19, 22, 
    353 Wis. 2d 252
    , 
    845 N.W.2d 24
    .
    ¶3      We     conclude        that     Harding's           review        of     Griep's
    laboratory    file,        including    the       forensic       test    results       of    an
    analyst who was unavailable for trial, to form an independent
    opinion to which he testified did not violate Griep's right of
    confrontation.         Williams,       
    253 Wis. 2d 99
    ,    ¶26;      Barton,        
    289 Wis. 2d 206
    , ¶20.           Accordingly, we affirm the court of appeals
    decision     that     affirmed       the      circuit        court's       admission          of
    Harding's testimony.
    3
    We refer to all subsequent references to State v.
    Williams, 
    2002 WI 58
    , 
    253 Wis. 2d 99
    , 
    644 N.W.2d 919
    , as
    Williams.   We refer to Williams v. Illinois, __ U.S. __, 
    132 S. Ct. 2221
    (2012), a different case, as Williams v. Illinois.
    2
    No.     2009AP3073-CR
    I.   BACKGROUND
    ¶4     This review involves Griep's claimed violation of his
    right of confrontation regarding Harding's expert testimony that
    was based in part on results of forensic tests conducted by an
    analyst who was unavailable for trial.                         The historic facts are
    not in dispute.
    ¶5     On Saturday, August 25, 2007, at approximately 12:48
    a.m., a Winneconne Police Department officer stopped Griep for
    speeding,          for    which   he    planned       to     issue    a    warning     ticket.
    However, while talking with Griep, the officer smelled the odor
    of alcohol and observed Griep's bloodshot and glassy eyes.
    ¶6     In response to the officer's question about alcohol
    consumption, Griep stated that he drank a couple of beers at a
    local       bar.         When   the    officer       asked    Griep       to    perform   field
    sobriety tests, Griep agreed.                    Griep's performance on the field
    sobriety tests indicated that he was intoxicated.                                After further
    discussion, Griep admitted he had four beers.                                  Griep agreed to
    perform       a      preliminary         breath        test     that       also      indicated
    intoxication.            The officer reviewed Griep's record, which showed
    two prior convictions for OWI.                   The officer transported Griep to
    a nearby hospital for a blood draw.                          At the officer's request,
    hospital staff conducted the blood draw without Griep's consent.4
    4
    The warrantless, nonconsensual search is not an issue in
    our review.    Griep has not claimed that his blood draw was
    unconstitutional before the circuit court, court of appeals, or
    during our review.   See  Missouri v. McNeely, 569 U.S. __, 
    133 S. Ct. 1552
    , 1556 (2013), abrogating our decision in State v.
    Bohling, 
    173 Wis. 2d 529
    , 547, 
    494 N.W.2d 399
    (1993); see also
    (continued)
    3
    No.     2009AP3073-CR
    ¶7      The officer observed a phlebotomist draw Griep's blood
    and   place    it    in     closed    vials.           The     blood      kit    was    properly
    sealed.       The blood kit was secured at the Winneconne Police
    Department         before    it      was     mailed        to     the      Wisconsin         State
    Laboratory.
    ¶8      Wisconsin       State       Laboratory         analyst       Diane       Kalscheur
    received and analyzed Griep's blood sample.                             Kalscheur authored
    a concise report stating:                 (1) she received Griep's labeled and
    sealed     blood     sample,      and      (2)       Griep's      blood    was     tested       for
    ethanol       and     that        testing        revealed          a      certain       ethanol
    concentration.            Thomas      Ecker,          an   Advanced        Chemist      at      the
    laboratory, conducted a peer review of Kalscheur's report and
    signed the laboratory report under the statement "As designee of
    the Director, I do hereby certify this document to be a true and
    correct report of the findings of the Wisconsin State Laboratory
    of Hygiene."
    ¶9      At     Griep's         trial       for       third-offense            OWI,        the
    phlebotomist testified about instructions for collecting blood,
    using the kit provided by a police officer, and her role in
    inspecting the blood kit before its use.
    ¶10     Kalscheur       was     unavailable            at   the     time     of    trial.5
    Instead, the State called Patrick Harding, section chief of the
    toxicology     section       of     the    Wisconsin         State      Laboratory,        as    an
    State v. Foster, 
    2014 WI 131
    , ¶6, __ Wis. 2d __, 
    856 N.W.2d 847
    ;
    State v. Kennedy, 
    2014 WI 132
    , ¶33, __ Wis. 2d __, 
    856 N.W.2d 834
    .
    5
    Kalscheur was on leave at the time of trial.
    4
    No.     2009AP3073-CR
    expert     witness.         Harding       testified          that     he        had    reviewed
    Kalscheur's work and examined the data produced by Kalscheur's
    testing,     specifically         the    chromatograms,             as     well       as     other
    records associated with the tests Kalscheur performed.                                     Harding
    said that he was familiar with the process of obtaining blood
    samples for ethanol testing, shipping them to the laboratory,
    processing them for analysis, and the analysis of the samples.
    ¶11     When    the    State       asked      Harding's        opinion       on       whether
    Kalscheur     tested        Griep's       blood       sample         consistently             with
    laboratory procedures, defense counsel objected on Confrontation
    Clause grounds.            Harding testified that all indications were
    that Kalscheur followed the laboratory procedures and that the
    instrument     was     working         properly.         Harding           said       that     the
    machine's     proper       function      was       evident    from        the     results       of
    calibration checks run throughout the course of the tests of
    Griep's samples.           Harding concluded that the results of those
    calibration         checks,       in     particular          those         Kalscheur           ran
    immediately    before       and    after       the    Griep     samples,          showed       the
    reliability    of     the     machine's        results.        Harding           opined      that
    correctly running the sample through the calibrated instrument
    resulted in a reliable blood alcohol reading.                            Harding concluded
    that after reviewing all of the available data, he came to an
    independent opinion that the alcohol concentration in Griep's
    blood was 0.152 grams of ethanol per 100 milliliters of blood.
    Harding also testified as to laboratory procedures and that if
    there had been irregularities with the sample, they would have
    been noted on a form by the analyst.                   None were noted.
    5
    No.     2009AP3073-CR
    ¶12     During cross-examination, Harding acknowledged that an
    analyst      could      commit      misdeeds,        possibly       without      detection.
    Harding also acknowledged that it is important that the analyst
    be    competent       and     honest.         Harding       testified     that     when      he
    testifies about forensic tests that he has personally completed,
    he relies on the paperwork and notes he completed at the time of
    testing because analysts at the laboratory conduct so many tests
    that no one can remember details about each particular sample
    without      reviewing        the   notes     that    were    made    contemporaneously
    with the tests.
    ¶13     Griep's motion in limine and objection at trial that
    sought    to    preclude       Harding's       testimony      were    grounded         in   the
    Confrontation          Clause.           He        relied     on     Melendez-Diaz          v.
    Massachusetts, 
    557 U.S. 305
    (2009); Crawford v. Washington, 
    541 U.S. 36
    (2004); and their relationship to Williams and Barton.
    The   circuit     court        considered      the    Confrontation           Clause    issue
    after conclusion of the presentation of evidence at the bench
    trial.       The circuit court denied Griep's motion; heard closing
    arguments; adjudged Griep guilty; convicted and sentenced him.
    ¶14     Griep appealed.           Before the court of appeals issued
    its    decision,        the    United       States     Supreme       Court     accepted      a
    petition in State v. Bullcoming, 
    226 P.3d 1
    (N.M. 2010).                                    See
    Bullcoming       v.     New    Mexico,      
    561 U.S. 1058
        (2010)      (granting
    certiorari).          The court of appeals held Griep's case in abeyance
    6
    No.      2009AP3073-CR
    pending the outcome in Bullcoming because the question presented
    in that case6 was similar to the question in Griep's appeal.
    ¶15      As the court of appeals was again about to undertake
    Griep's appeal, the court learned that the United States Supreme
    Court had granted certiorari in another relevant case, People v.
    Williams, 
    939 N.E.2d 268
    (Ill. 2010).               See Williams v. Illinois,
    __ U.S. __, 
    131 S. Ct. 3090
    (2011) (granting certiorari).                         The
    court       of   appeals   once    again   held   Griep's   case   to    await    the
    outcome       in   Williams   v.   Illinois    because   the   decision      on   the
    question presented7 may have had an effect on Griep's appeal.
    ¶16      On May 15, 2013, the court of appeals certified the
    appeal to us.8         On June 14, 2013, we held the certification in
    6
    The question presented in Bullcoming was "[w]hether the
    Confrontation Clause permits the prosecution to introduce
    testimonial statements of a nontestifying forensic analyst
    through the in-court testimony of a supervisor or other person
    who did not perform or observe the laboratory analysis described
    in the statements."    Petition for a Writ of Certiorari at i,
    Bullcoming v. New Mexico, __ U.S. __, 
    131 S. Ct. 2705
    (2011)
    (No. 09-10876), 
    2010 WL 3761875
    .
    7
    The question presented in Williams                    v. Illinois was
    "[w]hether a state rule of evidence allowing                 an expert witness
    to testify about the results of DNA testing                  performed by non-
    testifying analysts, where the defendant has                 no opportunity to
    confront  the   actual  analysts,  violates                 the   Confrontation
    Clause."   Petition for a Writ of Certiorari                at i, Williams v.
    Illinois, __ U.S. __, 
    132 S. Ct. 2221
    (No.                  10-8505), 
    2010 WL 6817830
    .
    8
    The court of appeals, in its certification, defined the
    issue as "Is an OWI defendant's right to confront the witnesses
    against him violated when a supervisor of the state crime lab
    testifies that a lab report prepared and certified by another,
    but unavailable, lab analyst establishes the defendant's illegal
    blood alcohol concentration? Does it make a difference that the
    (continued)
    7
    No.    2009AP3073-CR
    abeyance pending our disposition of State v. Deadwiller.                                       See
    State v. Deadwiller, 
    2013 WI 75
    , 
    350 Wis. 2d 138
    , 
    834 N.W.2d 362
    (decided       July 16,      2013).          On       November 20,         2013,    we   refused
    certification.            The        court    of        appeals        issued      its   opinion
    February 19,         2014,     and     held       that       Barton    remained      good    law.
    Griep,        
    353 Wis. 2d 252
    ,        ¶22.            The    court    held     that   "the
    availability of a well qualified expert, testifying as to his
    independent         conclusion       about        the       ethanol    testing      of   Griep's
    blood as evidenced by a report from another state lab analyst,
    was sufficient to protect Griep's right to confrontation."                                  
    Id. II. DISCUSSION
                                    A.    Standard of Review
    ¶17    We   review      whether       Harding's            testimony,      particularly
    his reliance on testing conducted by Kalscheur, violated Griep's
    right of confrontation.                 While "a circuit court's decision to
    admit     evidence        is    ordinarily              a     matter       for     the   court's
    discretion,         whether      the     admission            of      evidence      violates      a
    defendant's right of confrontation is a question of law subject
    to independent appellate review."                           Deadwiller, 
    350 Wis. 2d 138
    ,
    ¶17 (quoting Williams, 
    253 Wis. 2d 99
    , ¶7).
    lab supervisor said it was 'his' opinion even though he did not
    perform any of the testing himself and simply noted that the
    unavailable analyst followed the proper protocol?" Petition for
    Certification at 1, Griep, 
    353 Wis. 2d 252
    (No. 2009AP3073-CR),
    
    2013 WL 1978568
    (Petition denied).
    8
    No.        2009AP3073-CR
    B.    Confrontation Clause
    ¶18   Griep     argues       that     Harding's       testimony         violated        his
    rights    under     the   Confrontation             Clause.         The   Sixth        Amendment
    Confrontation Clause provides "In all criminal prosecutions, the
    accused shall enjoy the right . . . to be confronted with the
    witnesses against him."               We begin by recognizing that the Sixth
    Amendment right of an accused to confront the witnesses against
    him is a fundamental right, as made applicable to and obligatory
    on the states by the Fourteenth Amendment.                             Pointer v. Texas,
    
    380 U.S. 400
    , 403 (1965) (concluding that the Sixth Amendment
    right to confront witnesses against the accused is a fundamental
    right).
    ¶19   In Williams, we first examined whether a laboratory
    unit     leader's     trial         testimony,       based     in     part      on     a    report
    authored and tests conducted by an analyst who did not testify
    at trial, violated the Confrontation Clause.                              Williams was on
    trial     for   possession           of     cocaine     with        intent      to         deliver.
    Williams, 
    253 Wis. 2d 99
    , ¶¶3-4.                    A crime laboratory unit leader
    testified as to her expert opinion based in part on a state
    crime laboratory report that showed a substance in Williams'
    possession      was   cocaine         base.         Williams    argued       his       right     of
    confrontation was violated when the crime laboratory unit leader
    testified rather than requiring the analyst who performed the
    laboratory      tests     to    testify       and    also     when    the    circuit          court
    admitted the state crime laboratory report.                          
    Id., ¶4. 9
                                                                    No.    2009AP3073-CR
    ¶20     We   held    that    the   unit   leader's    testimony      did    not
    violate Williams' right of confrontation.                    
    Id., ¶¶20, 26.
            We
    stated:
    [T]he presence and availability for cross-examination
    of a highly qualified witness, who is familiar with
    the procedures at hand, supervises or reviews the work
    of the testing analyst, and renders her own expert
    opinion is sufficient to protect a defendant's right
    to confrontation, despite the fact that the expert was
    not the person who performed the mechanics of the
    original tests.
    
    Id., ¶20. Regarding
    the independent expert's opinion, we opined
    that "an expert who forms an opinion based in part on the work
    of    others    and   an    expert    who    merely   summarizes      the   work    of
    others" are quite different because in that later instance, the
    expert would be "a mere conduit for the opinion of another."
    
    Id., ¶19. ¶21
        We concluded that the expert witness in Williams was
    highly qualified to render an expert opinion and was closely
    connected to the tests and procedures involved in the actual
    tests.       
    Id., ¶¶21-22. The
    expert witness was a unit leader at
    the Wisconsin State Laboratory with nine years of experience, a
    bachelor's degree in chemistry with some graduate courses, who
    had    substantial         experience     analyzing    for    the     presence     of
    controlled substances.             
    Id., ¶21. The
    witness also was familiar
    with the various tests and had performed peer review on the
    tests.       
    Id., ¶22. The
    expert's peer review involved comparing
    the notes with the evidence and the conclusions, and conducting
    an overall examination of the data "making sure that all the
    10
    No.   2009AP3073-CR
    notes coincide with the evidence, [and] that the data coincides
    with [the] conclusion."             
    Id. Additionally, we
    determined that
    the witness was "not merely a conduit" for another's opinion,
    but rather, she testified as to her independent opinion based in
    part on facts and data gathered by someone else.9                    
    Id., ¶25. ¶22
          We    also   considered     whether     a    laboratory        report
    authored by the non-testifying analyst violated the defendant's
    right of confrontation when it was admitted into evidence.                         
    Id., ¶32. We
    analyzed the admissibility of the report and the expert
    witness's testimony as two separate issues.                   
    Id. First, we
    held
    that       the   laboratory    report     was    not   properly      admitted      as    a
    business record under Wis. Stat. § 908.03(6) (1997-98), in part
    because it was prepared for litigation.                 
    Id., ¶49. However,
    we
    concluded that the report's admission was harmless error.                          
    Id., ¶50. Second,
    we evaluated the expert witness's testimony.                         In
    reaching         our   conclusion    that    admission       of     the   report    was
    harmless error, we regarded the expert witness's testimony as
    compelling and credible evidence from which the jury could have
    concluded the substance at issue was cocaine.                     
    Id., ¶52. Stated
    otherwise, the witness's opinion was constitutional, and that
    9
    Stated otherwise, Williams permits a "substitute expert"
    to testify when "the original test was documented in a thorough
    way that permits the substitute expert to evaluate, assess, and
    interpret it." David H. Kaye, David E. Bernstein, & Jennifer L.
    Mnookin, The New Wigmore: Expert Evidence, § 4.10.2, p. 204 (2d
    ed. 2010).    Furthermore, "the surrogate can be meaningfully
    cross-examined about the tests that were conducted (and those
    that were not), and questioned about the legitimacy of the
    original analyst's conclusions and interpretations." 
    Id. 11 No.
        2009AP3073-CR
    conclusion was unrelated to whether the admission of the report
    violated the Confrontation Clause.
    ¶23   Griep's contention appears to be addressed by the rule
    we set out in Williams.                  However, before proceeding to apply
    Williams    to    his     claimed        Confrontation        Clause      violation,       we
    consider whether federal opinions issued subsequent to Williams,
    including Crawford, Bullcoming v. New Mexico, __ U.S. __, 
    131 S. Ct. 2705
    (2011), and Williams v. Illinois, __ U.S. __, 
    132 S. Ct. 2221
    (2012), affect our conclusions in Williams.
    1.   Relevant federal opinions
    ¶24   In 2004, the United States Supreme Court took up the
    Confrontation       Clause     in   Crawford.            At    Crawford's        trial    for
    assault     and      attempted       murder,        he        claimed         self-defense.
    
    Crawford, 541 U.S. at 40
    .                The defendant's wife did not testify
    "because    of      the    state     marital     privilege,           which       generally
    [barred] a spouse from testifying without the other spouse's
    consent."     
    Id. "[The] privilege
    [did] not extend to a spouse's
    out-of-court statements admissible under a hearsay exception."
    
    Id. The state
    sought to admit the wife's statement to police as
    a statement against penal interest.                 
    Id. On review,
    the Supreme
    Court held that admission of out-of-court testimonial statements
    violated    the     Confrontation          Clause    unless       the         declarant    is
    unavailable and the defendant had a prior opportunity to cross-
    examine the declarant.          
    Id. at 59.
          ¶25   Crawford's discussion of testimonial statements of an
    unavailable       declarant         is      consistent         with       the      Williams
    requirement that in order to be permitted to testify an expert
    12
    No.     2009AP3073-CR
    must form an independent opinion when the expert's opinion is
    based        in    part       on    tests   performed        by    another    analyst.10         See
    Williams, 
    253 Wis. 2d 99
    , ¶¶19, 25.                           This Williams' requirement
    prevents           a     Crawford      violation        of    the        Confrontation       Clause
    because out-of-court statements are not admitted as evidence,
    but rather, they are replaced by independent opinions based both
    on data collected by others and on the expert's own analysis.
    ¶26        Subsequent          to    the      Supreme           Court's     decision     in
    Crawford, the court of appeals applied Williams.                                     Barton, 
    289 Wis. 2d 206
    ,    ¶¶9,       20.      In    Barton,        the     court     of    appeals'
    discussion focused on whether a unit leader at the state crime
    laboratory could testify based in part on tests performed by
    another analyst.                   The unit leader at the state crime laboratory
    testified about chemical tests performed by an analyst who was
    unavailable at trial.                      
    Id., ¶4. The
    expert witness conducted
    peer     review          of    the    analyst's     tests         and    testified    as    to   his
    independent expert opinion.                        
    Id., ¶¶4, 16.
               The State did not
    seek to admit the laboratory report that detailed the analyst's
    test results.             
    Id., ¶4. 10
           The instant case does not present the same issues as
    Crawford as the testimonial statements of an unavailable
    declarant were not admitted into evidence in this case.    Cf.
    Crawford v. Washington, 
    541 U.S. 36
    , 40 (2004).         Stated
    otherwise, because neither Kalscheur's report nor the report's
    conclusion was admitted into evidence, the Crawford holding is
    not at issue.
    13
    No.    2009AP3073-CR
    ¶27    The court of appeals applied Williams and held the
    testimony       did       not    violate      Barton's     right      of    confrontation.11
    
    Id., ¶¶9-13, 16,
          20.     The     court    concluded         that    the    expert
    witness       was     a     highly      qualified        expert       who    presented       his
    independent         opinion.           
    Id., ¶13. The
       court       noted    that    the
    witness held a supervisory position, had an academic background
    in    the     area,   and       had    significant       experience         with    the    crime
    laboratory, all of which were similar to the expert in Williams.
    
    Id. The witness
    testified that he had reviewed the case file,
    including the gas chromatography tests, as a formal peer review.
    He     explained      the       uniform       procedures       employed       by    the    crime
    laboratory for the tests at issue.                       He said that based in part
    on his review of the case file, the analyst had followed the
    required       procedures         in    the     tests.         
    Id., ¶14. The
      court
    concluded that the expert's testimony was an independent opinion
    based on his own experience and his own analysis of the testing.
    
    Id., ¶¶14-16. The
    court of appeals held that under Williams,
    the     witness's         testimony       did    not     violate      Barton's       right    of
    confrontation and was admissible.                      
    Id., ¶16. 11
           The court of appeals also referred to cases decided after
    Crawford from other jurisdictions, holding similar testimony did
    not violate the Confrontation Clause. State v. Barton, 2006 WI
    App 18, ¶¶21-22, 
    289 Wis. 2d 206
    , 
    709 N.W.2d 93
    (citing State v.
    Delaney, 
    613 S.E.2d 699
    , 700 (N.C. Ct. App. 2005); People v.
    Thomas, 
    30 Cal. Rptr. 3d 582
    , 587 (Cal. Ct. App. 2005),
    abrogated by People v. Archuleta, 
    170 Cal. Rptr. 3d 361
    (Cal.
    Ct. App. 2014)).
    14
    No.     2009AP3073-CR
    ¶28   The      court    of   appeals        also    clarified       the    effect          of
    Crawford      on       Williams:        "The     holding       in    Crawford          does    not
    undermine our supreme court's decision in Williams.                               Williams is
    clear:        A    defendant's       confrontation          right    is   satisfied           if   a
    qualified expert testifies as to his or her independent opinion,
    even if the opinion is based in part on the work of another."
    
    Id., ¶20. ¶29
      In       Melendez-Diaz,      the       United     States      Supreme       Court
    again took up the admissibility of forensic reports created by a
    non-testifying           laboratory      analyst.             At    issue       was     whether
    affidavits         reporting         forensic        analyses        were        testimonial,
    "rendering the affiants 'witnesses' subject to the defendant's
    right of confrontation under the Sixth Amendment."                                     Melendez-
    
    Diaz, 557 U.S. at 307
    .                  Those affidavits showed a substance
    connected         to    the    defendant       was    cocaine,        and       were    created
    specifically to serve as evidence at a criminal trial.                                   
    Id. at 324.
         The      Supreme      Court    held       that    the     forensic       laboratory
    reports were testimonial statements subject to the Confrontation
    Clause, and therefore, defendants have a right to confront the
    authoring analyst at trial.                
    Id. at 311.
                 The Court recognized
    that    Melendez-Diaz          falls    within       the    Crawford      line     of     cases:
    "This    case      involves     little     more      than     the    application         of    our
    holding in Crawford v. Washington . . . .                           The Sixth Amendment
    does not permit the prosecution to prove its case via ex parte
    out-of-court affidavits."               
    Id. at 329.
              Melendez-Diaz's holding
    regarding the testimonial nature of laboratory reports does not
    alter our conclusion in Williams that a defendant's right to
    15
    No.       2009AP3073-CR
    confront witnesses against him is not violated when a testifying
    expert     reviews      the    case     file    and    comes    to     an       independent
    conclusion, even though the expert's opinion is based in part on
    tests performed by another analyst.12                  See Williams, 
    253 Wis. 2d 99
    , ¶¶19, 25.
    ¶30     In its 2011 decision in Bullcoming, the United States
    Supreme     Court       next     revisited       the     Confrontation             Clause's
    applicability to forensic laboratory reports.                         At Bullcoming's
    trial on charges of driving while intoxicated, the trial court
    admitted        a     forensic        laboratory       report        certifying         that
    Bullcoming's BAC was above the BAC threshold for driving under
    the influence.         
    Bullcoming, 131 S. Ct. at 2709
    .                The analyst who
    certified the laboratory report did not testify.                            Instead, the
    prosecution called a different analyst as a witness.                              
    Id. The witness
    was familiar with the laboratory's testing procedures,
    but did not participate in, observe, or review the testing of
    the defendant's blood sample.                  
    Id. at 2709,
    2712.                The Court
    focused    on       whether   the     prosecution      could    admit       a   laboratory
    12
    Likewise, Griep's contention does not present the same
    issues as Melendez-Diaz because the non-testifying analyst's
    written report and other records were not admitted into
    evidence. See United States v. Turner, 
    709 F.3d 1187
    , 1190 (7th
    Cir. 2013) (concluding that a case involving testimony based in
    part on another analyst's forensic tests did not present a
    Melendez-Diaz problem).      Therefore, whether the laboratory
    report here was created specifically to serve as evidence in a
    criminal proceeding, or introduced to prove the truth of the
    matter asserted, is not relevant to our review.     See Melendez-
    Diaz v. Massachusetts, 
    557 U.S. 305
    , 309 (2009) (introducing
    drug analysis report to prove substance was cocaine).
    16
    No.     2009AP3073-CR
    report containing a testimonial certification through the in-
    court testimony of a witness that did not certify the report or
    perform or observe the test that was the subject of the report.
    
    Id. at 2710.
         The     Court       held     that    admission      of     the    report
    violated the defendant's right of confrontation and reiterated
    the rule in Crawford.               
    Id. at 2713.
    Our answer is in line with controlling precedent: As
    a rule, if an out-of-court statement is testimonial in
    nature, it may not be introduced against the accused
    at trial unless the witness who made the statement is
    unavailable   and  the   accused   has  had  a   prior
    opportunity to confront that witness.
    
    Id. ¶31 The
    Supreme Court's discussion in Bullcoming differs
    from the section of our Williams decision that is relevant to
    Griep's      contention        of    a    Confrontation           Clause   violation.         In
    Bullcoming, the prosecution admitted the forensic report as a
    business record in violation of the Confrontation Clause.                                    
    Id. at 2712.
            Williams    also       concludes        that    the    forensic       report
    cannot properly be admitted as a business record.                                Williams, 
    253 Wis. 2d 99
    ,    ¶49.      However,         in   Williams,       the    expert       witness
    reviewed the work of the testing analyst, was familiar with the
    procedures at hand, and rendered an independent opinion.                                    
    Id., ¶¶21-22. The
    testimony in Bullcoming is not the independent
    opinion of an expert.               See 
    Bullcoming, 131 S. Ct. at 2712
    , 2716
    (stating that the witness did not review the test results and
    prosecution never asserted that the witness had an independent
    opinion concerning the defendant's BAC).                             Therefore, when an
    expert     witness      reviews          data   yielded      by    laboratory       tests    and
    17
    No.       2009AP3073-CR
    reaches his or her own independent opinion based on that data
    and his or her own knowledge, Williams applies and Bullcoming
    provides no guidance.
    ¶32    Justice      Sotomayor     emphasized         the    limited       reach    of
    Bullcoming    in    her   concurrence.         
    Id. at 2722
       (Sotomayor,         J.,
    concurring).        She wrote separately to highlight her view that
    the   laboratory       report     was   testimonial         because       its     primary
    purpose was evidentiary, but she also wrote "to emphasize the
    limited reach of the Court's opinion."                     
    Id. at 2719.
              Justice
    Sotomayor distinguished Bullcoming from other cases where the
    trial witness "is a supervisor, reviewer, or someone else with a
    personal, albeit limited, connection to the scientific test at
    issue."     
    Id. at 2722
    .          She also distinguished cases where the
    expert witness was asked for and gave an independent opinion
    about underlying testimonial reports that were not admitted into
    evidence.     
    Id. She noted
    that in Bullcoming, the prosecution
    acknowledged that the witness offered no opinion about the BAC.
    Justice     Sotomayor      concluded:          "We    would      face     a     different
    question if asked to determine the constitutionality of allowing
    an expert witness to discuss others' testimonial statements if
    the   testimonial      statements       were    not    themselves         admitted       as
    evidence."     
    Id. Justice Sotomayor's
    concurrence reinforces our
    conclusion that Bullcoming does not guide our decision when the
    issue is the independent opinion of an expert witness who has
    reviewed     the       forensic       test     results,          rather       than      the
    admissibility of an underlying forensic report.
    18
    No.     2009AP3073-CR
    ¶33        The Supreme Court provided guidance on when out-of-
    court testimonial statements are admissible, when statements are
    testimonial, and under what circumstances testimonial laboratory
    reports        are         admissible         in     Crawford,          Melendez-Diaz,           and
    Bullcoming.           
    Crawford, 541 U.S. at 59
    ; 
    Melendez-Diaz, 557 U.S. at 311
    ;     
    Bullcoming, 131 S. Ct. at 2713
    .      Wisconsin      cases,
    Williams and Barton, go a step further and address situations
    where    the        State     does      not      offer    the    laboratory        report     into
    evidence,          but     instead      offers      the       independent    opinion        of   an
    analyst who did not perform the tests.                                Williams, 
    253 Wis. 2d 99
    ,    ¶20;        Barton,     
    289 Wis. 2d 206
    ,       ¶16.      Stated    otherwise,
    federal        Confrontation           Clause       opinions      predating       Williams        v.
    Illinois do not affect our rule in Williams, or the court of
    appeals' application in Barton.                         We now examine whether Williams
    v. Illinois affects Williams and Barton.
    ¶34        Williams v. Illinois, the Supreme Court's most recent
    Confrontation             Clause       opinion      that       examines     presentation          of
    expert opinion, involved Williams' bench trial for rape.                                  There,
    the    prosecutor           called     a   forensic        specialist       at    the   Illinois
    State    Police           laboratory       who     testified      that     according     to      the
    police laboratory's business records, the victim's vaginal swabs
    were     sent        to    Cellmark,          an   outside,       accredited       laboratory.
    Williams v. 
    Illinois, 132 S. Ct. at 2229
    .                              Cellmark returned the
    swabs to the police laboratory, and set out a male DNA profile
    derived from the semen on the swabs.                            
    Id. Upon receipt
    of the
    report    and        profile,      a    police      laboratory          analyst    conducted       a
    search        of    the     Illinois       State        DNA    database,     revealing        that
    19
    No.       2009AP3073-CR
    Williams' DNA matched the DNA profile obtained from the swabs
    processed       by    Cellmark.        
    Id. The police
       laboratory         analyst
    testified         about       standard        procedures,         about          Cellmark's
    accreditation, and that her comparison of the DNA profiles on
    the Illinois database with the Cellmark profile resulted in a
    match.         
    Id. at 2229-30.
          The     Cellmark      DNA   profile       was    not
    admitted into evidence.            
    Id. at 2230.
                The defendant objected to
    the expert's testimony on Confrontation Clause grounds.                               
    Id. at 2231.
           The trial court ruled against Williams.                  
    Id. ¶35 Williams
        v.   Illinois        is    a    plurality       opinion      with
    Justice       Thomas      concurring    in      judgment.13       
    Id. at 2227.
         A
    plurality of the Supreme Court held the expert's testimony did
    not   violate        Williams'    right      of    confrontation.            However,      the
    Court's four-one-four division "left no clear guidance about how
    exactly an expert must phrase [his] testimony [that concerns]
    the results of testing performed by another analyst in order for
    the [expert's] testimony to be admissible."                           United States v.
    Maxwell, 
    724 F.3d 724
    , 727 (7th Cir. 2013); see also Williams v.
    
    Illinois, 132 S. Ct. at 2277
    (Kagan, J., dissenting); 
    id. at 2255
    (Thomas, J., concurring in the result, but with no portion
    of the plurality's reasoning).
    ¶36     In determining what effect a plurality opinion has on
    our review, we apply Marks v. United States, 
    430 U.S. 188
    , 193
    13
    Justice Breyer also wrote a concurrence in Williams v.
    Illinois, but in contrast to Justice Thomas, he joined the
    plurality's opinion in full.     See Williams v. 
    Illinois, 132 S. Ct. at 2244
    –45, 2252 (Breyer, J., concurring).
    20
    No.    2009AP3073-CR
    (1977).     Deadwiller, 
    350 Wis. 2d 138
    , ¶30; see also Vincent v.
    Voight, 
    2000 WI 93
    , ¶46 n.18, 
    236 Wis. 2d 588
    , 
    614 N.W.2d 388
    ;
    Lounge Mgmt., Ltd. v. Town of Trenton, 
    219 Wis. 2d 13
    , 21-22,
    
    580 N.W.2d 156
         (1998).     "When       a    fragmented     [Supreme]       Court
    decides a case and no single rationale explaining the result
    enjoys the assent of five Justices, the holding of the Court may
    be viewed as that position taken by those Members who concurred
    in the judgments on the narrowest grounds."                     
    Marks, 430 U.S. at 193
      (internal    quotations       and    citations       omitted).        The     Marks
    narrowest grounds rule is applicable only when one opinion is
    narrower    than   the    other    or     is    a   logical    subset     of   another,
    broader opinion.         Deadwiller, 
    350 Wis. 2d 138
    , ¶30 (citing Evan
    H.    Caminker,    Precedent      and     Prediction:         The   Forward-Looking
    Aspects of Inferior Court Decisionmaking, 
    73 Tex. L. Rev. 1
    , 33
    n.120 (1994)); King v. Palmer, 
    950 F.2d 771
    , 781 (D.C. Cir.
    1991).       If    no     "theoretical          overlap"      exists      between    the
    rationales of the plurality and the concurrence, it is binding
    only as to its "specific result."                   Deadwiller, 
    350 Wis. 2d 138
    ,
    ¶30 (citing Berwind Corp. v. Comm'r of Soc. Sec., 
    307 F.3d 222
    ,
    234 (3d Cir. 2002)).14            A plurality opinion without overlapping
    14
    See also Ass'n of Bituminous Contractors, Inc. v. Apfel,
    
    156 F.3d 1246
    , 1254-55 (D.C. Cir. 1998) (agreeing that when
    Marks does not apply for lack of a "narrowest opinion," the only
    binding aspect of a particular fractured opinion was its
    specific result); Shenango Inc. v. Apfel, 
    307 F.3d 174
    , 185 (3d
    Cir. 2002) (stating that the only binding aspect of a fragmented
    decision without a narrower ground is the specific result); Lair
    v. Bullock, 
    697 F.3d 1200
    , 1205 (9th Cir. 2012) (stating that if
    no opinion of the Court is narrow, the splintered decision is
    binding only as to its specific result); Gibson v. Am. Cyanamid
    (continued)
    21
    No.       2009AP3073-CR
    rationales requires a specific result only when the parties are
    in a "substantially identical position."                    
    Id. ¶37 Williams
       v.   Illinois    does       not    contain       a    "narrowest
    opinion."          Williams v. 
    Illinois, 132 S. Ct. at 2228
    , 2244-45
    (Breyer,      J.,     concurring),    2255          (Thomas,       J.,      concurring);
    Deadwiller, 
    350 Wis. 2d 138
    , ¶32.                   Five justices of the United
    States Supreme Court concluded in Williams v. Illinois that, in
    certain circumstances, the Confrontation Clause does not bar an
    expert witness from basing his or her testimony on a forensic
    laboratory report prepared by another analyst when the defendant
    was never given an opportunity to cross-examine the analyst who
    prepared the report or conducted the forensic testing.                            Williams
    v. 
    Illinois, 132 S. Ct. at 2228
    .               However, no opinion gathered a
    majority      of    the   Court.     
    Id. at 2244,
          2252     (Breyer,      J.,
    concurring), 2261 (Thomas, J., concurring).                        The four justices
    of the plurality concluded that the testimony did not violate
    the   Confrontation       Clause   because      the    report       was    not    used   to
    prove the truth of the matter asserted and its primary purpose
    was not to accuse a targeted individual of a crime.                                 
    Id. at 2243.
        While a fifth justice agreed with the disposition of the
    case, he concluded that the report was non-testimonial because
    Co., 
    760 F.3d 600
    , 615, 619-20 (7th Cir. 2014) (acknowledging a
    fractured opinion produced only its specific result as binding
    precedent because no opinion was narrowest); State v. Michaels,
    
    95 A.3d 648
    , 665-66 (N.J. 2014) (citing Deadwiller and noting
    that the Marks approach works only when the narrowest opinion
    represents a common denominator and when no overlap exists, a
    fragmented decision is binding only as to its specific result).
    22
    No.   2009AP3073-CR
    it     "lacked     the     requisite       'formality         and      solemnity'     to    be
    considered         'testimonial.'"15              
    Id. at 2255
        (Thomas,      J.,
    concurring).             Four    justices     rejected          both       the   plurality's
    primary purpose test and Justice Thomas' solemnity-based test
    and     instead       concluded        that        the        expert        testimony      was
    "functionally        identical        to     the        'surrogate         testimony'"       in
    Bullcoming and that Bullcoming controlled the outcome.16                              
    Id. at 2267
       (Kagan,     J.,     dissenting).           As    no     opinion      overlaps      with
    another,     the    Marks       narrowest    grounds       rule      does    not   apply     to
    Williams v. Illinois.              
    Marks, 430 U.S. at 193
    ; Deadwiller, 
    350 Wis. 2d 138
    , ¶30; 
    King, 950 F.2d at 781
    .
    ¶38   Therefore, Williams v. Illinois is binding only as to
    its "specific result."             Deadwiller, 
    350 Wis. 2d 138
    , ¶30 (citing
    Berwind 
    Corp., 307 F.3d at 234
    ).                   A plurality opinion without a
    narrowest grounds concurrence requires a specific result when
    15
    Justice Thomas' concurrence in Williams v. Illinois also
    explicitly rejected the plurality's "flawed analysis" and
    asserted   that  "there   was  no  plausible  reason   for  the
    introduction of Cellmark's statements other than to establish
    their truth."    Williams v. 
    Illinois, 132 S. Ct. at 2255-56
    (Thomas, J., concurring).
    16
    Under Marks, the positions of the justices who dissented
    from the judgment are not counted in examining the divided
    opinions for holdings.     Marks v. United States, 
    430 U.S. 188
    ,
    193 (1977).    Rather, Marks instructs that the holding is the
    narrowest position "taken by those Members who concurred in the
    judgment[]."     
    Id. (internal quotation
    marks and citation
    omitted).    Therefore, Marks rejects any contention that the
    holding of Williams v. Illinois is Justice Thomas' and the
    dissent's   rejection   of    the  plurality's  not-for-the-truth
    rationale. Cf. Leading Cases, 126 Harv. L. Rev. 266, 276 (Nov.
    2012).
    23
    No.     2009AP3073-CR
    the parties are in a substantially identical position.                             
    Berwind, 307 F.3d at 234
    .           Griep is not in a substantially identical
    position to the parties in Williams v. Illinois.                          The difference
    between Griep's circumstances and those in Williams v. Illinois
    is illustrated by our recent opinion in Deadwiller.
    ¶39    Deadwiller is our sole Confrontation Clause case since
    Williams     v.    Illinois.          In       Deadwiller,        the    defendant        was
    identified    as    a    suspect   in      a     sexual    assault       through      a   DNA
    profile derived at an out-of-state laboratory from the victim's
    vaginal and cervical swabs, which matched Deadwiller's profile
    in Wisconsin's DNA database.                Deadwiller, 
    350 Wis. 2d 138
    , ¶5.
    We    considered        application        of    the      Marks     narrowest        ground
    principle     to   Williams     v.      Illinois,         but     concluded        that   no
    Williams     v.    Illinois    concurring          opinion        fit     the     narrowest
    grounds rule.        
    Id., ¶¶30-32. We
    recognized that Williams v.
    Illinois would still be binding as to its specific result when
    the parties are in a substantially identical position.                             
    Id., ¶30 (citing
    Berwind, 307 F.3d at 234
    ).                     We compared the facts of
    each case and concluded that Deadwiller and Williams were in
    substantially identical positions, and therefore we were bound
    by the specific result in Williams v. Illinois.                           
    Id., ¶32. In
    concluding we were so bound, we noted similarities in the cases.
    
    Id. In both
    cases, the victim reported the crime and
    underwent a sexual assault examination, which produced
    vaginal swabs containing DNA of the perpetrator. In
    both cases, police officers picked up the evidence,
    inventoried the evidence, and sent the evidence to the
    state crime lab, which then sent the evidence to an
    24
    No.   2009AP3073-CR
    out-of-state laboratory for DNA testing. Further, the
    out-of-state laboratory in both cases sent back the
    genetic material and a DNA profile of the perpetrator
    produced from the vaginal swabs. In both cases, state
    crime lab analysts entered the DNA profile into a DNA
    database, which resulted in a match to the defendant.
    When called to testify, the state crime lab analyst in
    both cases reported that the DNA profile sent by the
    out-of-state lab matched the DNA profile resulting
    from the database. The DNA profile was not introduced
    into evidence in either case. Prosecutors in both
    cases introduced inventory reports, evidence receipts,
    and testimony to prove a chain of custody, i.e. that
    the DNA profile was produced from swabs taken from the
    victims.
    
    Id. ¶40 Deadwiller
    concludes the lines of relevant state and
    federal Confrontation Clause cases.                 In review, Williams and
    Barton establish that an expert witness does not violate the
    Confrontation Clause when his or her opinion is based in part on
    data created by a non-testifying analyst if the witness "was not
    merely a conduit."         Williams, 
    253 Wis. 2d 99
    , ¶¶20, 25; accord
    Barton, 
    289 Wis. 2d 206
    , ¶¶13-14.               In other words, if the expert
    witness reviewed data created by the non-testifying analyst and
    formed an independent opinion, the expert's testimony does not
    violate the Confrontation Clause.                 Williams, 
    253 Wis. 2d 99
    ,
    ¶20;   Barton,     
    289 Wis. 2d 206
    ,    ¶¶13-14.      No    federal      decision
    addresses this type of expert testimony.               In Crawford, admission
    of testimonial statements of an unavailable declarant violated
    the Confrontation Clause if the declarant was unavailable and
    the    defendant     had   no      prior    opportunity        to     cross-examine.
    
    Crawford, 541 U.S. at 59
    .              Melendez-Diaz applied Crawford to
    conclude that testimonial statements made in a forensic report
    25
    No.     2009AP3073-CR
    that    was    admitted        into    evidence,       but    was     created         by     a    non-
    testifying          analyst,          violated        the      Confrontation                Clause.
    
    Melendez-Diaz, 557 U.S. at 311
    .                      The facts of Bullcoming go one
    step    further,       involving       both     the    admission          of    a     testimonial
    forensic report and testimony of an expert witness who did not
    conduct the tests or offer an independent opinion.                                    
    Bullcoming, 131 S. Ct. at 2712
    , 2716.                However, Crawford, Melendez-Diaz, and
    Bullcoming do not address a situation where a non-testifying
    analyst's       testimonial          statements       do    not     come       into     evidence,
    i.e., where the testimonial forensic report is not admitted and
    the    expert       witness     who    testifies       at    trial       gives       his     or    her
    independent         opinion     after       review     of    laboratory             data    created
    another       analyst.          Stated       otherwise,        when       a     non-testifying
    analyst documents the original tests "with sufficient detail for
    another       expert      to    understand,          interpret,          and        evaluate       the
    results,"       that      expert's          testimony        does        not        violate        the
    Confrontation         Clause.         David     H.    Kaye,       David    E.       Bernstein,       &
    Jennifer       L.     Mnookin,        The     New     Wigmore:            Expert        Evidence,
    § 4.10.2, pp. 204-05 (2d ed. 2010); accord Williams, 
    253 Wis. 2d 99
    , ¶20; Barton, 
    289 Wis. 2d 206
    , ¶¶13-14.                          Williams v. Illinois
    has    not    altered     Confrontation          Clause       jurisprudence,               which    we
    confirmed in Deadwiller.               See Deadwiller, 
    350 Wis. 2d 138
    , ¶30.
    2.    Griep's circumstances
    ¶41    In the case now before us, we compare the parties'
    positions in Griep to that of the parties' positions in Williams
    v.    Illinois      and   conclude       that       they    are    not     in       substantially
    identical positions.                First, this is not a sexual assault case.
    26
    No.     2009AP3073-CR
    Cf. Williams v. 
    Illinois, 132 S. Ct. at 2229
    .                                Here, analysts
    used a laboratory test, gas chromatography, to determine Griep's
    BAC, which differs from the creation of a DNA profile and the
    process of matching DNA profiles that was used in Williams v.
    Illinois.       Cf. 
    id. Second, the
    analyst conducted all of the
    laboratory work here in the same laboratory that employed the
    expert       witness,      rather     than    utilizing          work     provided       by    an
    outside laboratory.             Cf. 
    id. at 2229-30.
                   The only similarity
    between       this       case   and    Williams       v.     Illinois        is      that     the
    prosecution did not introduce the forensic reports into evidence
    in either case.           
    Id. at 2230.
           ¶42     We conclude Griep is not in a substantially identical
    position       to    Williams.         Therefore,          the     specific          result    of
    Williams v. Illinois is not binding in this case as it was in
    Deadwiller.          Cf. Deadwiller, 
    350 Wis. 2d 138
    , ¶32.                            For that
    reason, we need not further discuss the various rationales of
    Williams v. Illinois as we did in Deadwiller.                           See 
    id., ¶¶33-36. ¶43
        Aside from its discussion of the Williams v. Illinois
    rationales, Deadwiller also provides our only post-Williams v.
    Illinois analysis of Williams and Barton.                            
    Id., ¶¶37-40. We
    concluded      that       Williams    and    Barton        are    consistent          with    our
    application         of    the   specific     result     of       Williams       v.    Illinois.
    
    Id., ¶37. We
       applied     Williams    and      Barton       to   the      facts    in
    Deadwiller and determined that the expert witness reviewed the
    out-of-state laboratory's procedures and offered his independent
    conclusion, and therefore did not violate the defendant's right
    of confrontation.           
    Id., ¶40. 27
                                                                           No.       2009AP3073-CR
    ¶44       As   we   tacitly   recognized         in   Deadwiller,         nothing    in
    Williams v. Illinois affects our decision in Williams and its
    application by the court of appeals in Barton.17                           See 
    id., ¶¶37- 40.
       In addition, Williams v. Illinois is not otherwise useful
    to our analysis here because Marks does not apply18 and Griep is
    not    in    a    substantially      identical          position     to    the     convicted
    perpetrator.19             As   Williams    v.       Illinois   does      not    affect    our
    conclusion in Williams or the court of appeals' application in
    Barton, our remaining task is to apply Williams and Barton to
    this case.
    C.   Admission of Patrick Harding's Testimony
    ¶45       We rely on pre-Williams v. Illinois opinions, as well
    as    our    only     Confrontation        Clause      decision      after      Williams    v.
    Illinois, Deadwiller, to determine whether the State's witness,
    Patrick      Harding,       testified      in    violation      of    Griep's      right    of
    17
    Other courts have also held Williams v. Illinois is
    "confined to the particular set of facts presented in that
    case."   United States v. James, 
    712 F.3d 79
    , 95 (2d Cir. 2013)
    (applying pre-Williams v. Illinois opinions); accord Jenkins v.
    United States, 
    75 A.3d 174
    , 189 (D.C. Cir. 2013) (agreeing
    Williams v. Illinois is confined to its facts and applying pre-
    Williams v. Illinois opinions in the Supreme Court and its own
    jurisdiction).
    18
    Marks does not apply when no concurring opinion is
    narrower than the others. See 
    Marks, 430 U.S. at 193
    ; State v.
    Deadwiller, 
    2013 WI 75
    , ¶30, 
    350 Wis. 2d 138
    , 
    834 N.W.2d 362
    ;
    King v. Palmer, 
    950 F.2d 771
    , 781 (D.C. Cir. 1991).
    19
    Cf.   Deadwiller, 
    350 Wis. 2d 138
    ,  ¶32   (concluding
    Deadwiller was in a substantially identical position in a case
    with different facts).
    28
    No.   2009AP3073-CR
    confrontation.20            Harding served as the State's expert witness
    for Griep's BAC and testified in place of Kalscheur, who was not
    available       at    the     time    of   trial.      While     Harding     was   not    an
    official peer reviewer of Kalscheur's forensic tests, Harding
    testified that he examined the data "available the day after the
    analysis for the person that reviewed the report when it went
    out."         His    review       included   chromatograms       and    results    of    the
    entire analytical run that Kalscheur conducted, which described
    the   calibration        checks       that   were    used   to   assess      whether     the
    machine was performing properly and whether the test was run
    correctly.21
    ¶46    Harding        testified      that    all    indications        were     that
    Kalscheur followed the laboratory procedures, and the instrument
    was   working        properly.         Harding      testified    that    the    machine's
    proper       function       was    evident   from     the   results     of   calibration
    20
    However, we note that Crawford, Melendez-Diaz, and
    Bullcoming are not helpful to our analysis because they focus on
    when out-of-court testimonial statements may be entered into
    evidence and what statements are testimonial.      
    Crawford, 541 U.S. at 59
    ; 
    Melendez-Diaz, 557 U.S. at 311
    ; 
    Bullcoming, 131 S. Ct. at 2713
    . As our focus here is on the witness's in-court
    testimony, Crawford, Melendez-Diaz, and Bullcoming do not guide
    our analysis.
    21
    It is significant that the laboratory file included not
    only Kalscheur's report but also raw data, gas chromatograms.
    This provided "adequate detail for an expert to do his own
    analysis and reach his own conclusions."     See Kaye, et al.,
    supra note 9, p. 201. In this case, "the expert is exercising a
    degree of independent judgment using his own substantive
    expertise rather than relying entirely on the expertise of
    others."   
    Id. at p.
    202; accord Williams, 
    253 Wis. 2d 99
    , ¶20;
    Barton, 
    289 Wis. 2d 206
    , ¶¶13-14.
    29
    No.    2009AP3073-CR
    checks run throughout the course of the tests.                           Harding said,
    "[t]he      calibration      checks      that       are   analyzed     throughout      the
    course of the analytical run read correctly, specifically and
    importantly, the two known samples that bracketed Mr. Griep's
    sample read within their accepted range."                        Harding opined that
    correctly     running       the    sample      through     the    testing     instrument
    resulted     in    a    reliable    blood      alcohol     reading.         Harding   also
    opined that after reviewing the data, he came to an independent
    opinion     that       Griep's    BAC    was    0.152.22        And   finally,   it   was
    Harding's opinion that laboratory procedures required notation
    of any irregularities with the sample, and there had been no
    such notation by the analyst.
    ¶47     Consistent with Williams and Barton, the pre-Williams
    v. Illinois law of this jurisdiction, Harding's testimony did
    not   violate      Griep's       right   of     confrontation;        accordingly,     his
    testimony     was       properly    admitted.23           Our   Confrontation     Clause
    jurisprudence begins with Williams.                   Williams set out a two-part
    framework to analyze the testimony of an expert witness, relying
    22
    That Harding arrived at and testified to the same
    conclusion as Kalscheur's report, that Griep's BAC was 0.152,
    does not require us to conclude that Harding's testimony
    introduced Kalscheur's report.    Harding's review of Griep's
    laboratory file and his opinion formed by interpretation of raw
    data using his expertise merely yielded the same independent
    opinion reached by Kalscheur.
    23
    United States Supreme Court opinions prior to Williams v.
    Illinois do not assist in our analysis or affect the value of
    Williams and Barton, as previously discussed.      Additionally,
    Williams v. Illinois does not affect the value of those two
    cases. See Deadwiller, 
    350 Wis. 2d 138
    , ¶¶37-40.
    30
    No.    2009AP3073-CR
    on forensic tests conducted by a non-testifying analyst, for
    Confrontation Clause violations.                Williams, 
    253 Wis. 2d 99
    , ¶26.
    Williams provides that expert testimony based in part on tests
    conducted by a non-testifying analyst satisfies a defendant's
    right of confrontation if the expert witness:                           (1) reviewed the
    analyst's tests, and (2) formed an independent opinion to which
    he testified at trial.              
    Id. We address
    each requirement of
    Williams' framework in turn.
    1.     Review
    ¶48   In both Williams and Barton, the analyst who conducted
    the testing was unavailable to testify at trial.                              Instead, the
    analysts' supervisors testified as expert witnesses about the
    independent opinions they formed.                      Williams, 
    253 Wis. 2d 99
    ,
    ¶22; Barton, 
    289 Wis. 2d 206
    , ¶15.                In both Williams and Barton,
    the   supervisors      conducted     reviews          in    the    ordinary     course     of
    laboratory      procedures.         Williams,         
    253 Wis. 2d 99
    ,    ¶22;    see
    Barton, 
    289 Wis. 2d 206
    , ¶14.
    ¶49   Peer   review   generally         involves          examining     the     notes
    taken     and   data    collected         in    the        case    to   make     sure    the
    conclusions written in the report are correct.                            Williams, 
    253 Wis. 2d 99
    , ¶22.        In Williams, the expert witness testified how
    peer review operates when testing for a controlled substance:
    she compared the graphical data yielded by the tests and graphs
    reflecting standard, known, values.                        
    Id., ¶23. The
    expert's
    comparison allowed her to conclude the sample being tested was a
    controlled substance.         
    Id. In Barton,
    an arson case, the expert
    used graphical data called chromatograms from different stages
    31
    No.     2009AP3073-CR
    of   gasoline   evaporation        to   conclude      gasoline         was    present   in
    charred wood samples.         Barton, 
    289 Wis. 2d 206
    , ¶15.                    The expert
    in Barton compared the chromatograms of control samples with
    chromatograms of the samples from the arson case, similar to the
    expert's comparison in Williams.              See 
    id. ¶50 Here,
    Harding did not conduct a formal peer review of
    Kalscheur's tests.         Instead, peer review was completed by Thomas
    Ecker, an advanced chemist at the laboratory.                         However, Harding
    completed    the    same    examination       as   occurs       in    the    formal   peer
    review.     Harding examined "[t]he same data that is available the
    day after the analysis for the person that reviewed the report
    when it went out and that is the chromatograms and the paperwork
    associated with the whole analytical run that Diane did on the
    30th of August, 2007."            In short, Harding reviewed the same data
    as the peer reviewer.
    ¶51   Our decisions indicate that the review necessary to
    protect a defendant's right of confrontation need not be formal
    peer review.        Williams, 
    253 Wis. 2d 99
    , ¶20; Deadwiller, 
    350 Wis. 2d 138
    , ¶40.          In Williams, we reasoned:                 "the presence and
    availability       for     cross-examination          of    a        highly     qualified
    witness, who is familiar with the procedures at hand, supervises
    or reviews the work of the testing analyst, and renders her own
    expert opinion is sufficient to protect a defendant's right to
    confrontation."          Williams, 
    253 Wis. 2d 99
    , ¶20.                     Similarly, in
    Deadwiller,     the      expert    witness's       review   of       the     out-of-state
    laboratory's       DNA     profile,     procedures,         and       quality     control
    32
    No.    2009AP3073-CR
    measures      was   sufficient        to    protect       the   defendant's      right    of
    confrontation.
    ¶52   Harding's       review       of    Kalscheur's      report,      data,     and
    notes     fulfills      the      Williams        review    requirement        because     he
    reexamined the data.                See Williams, 
    253 Wis. 2d 99
    , ¶¶22-23.
    Therefore, Harding's review was sufficient to protect Griep's
    right of confrontation, when combined with Harding's independent
    opinion.
    2.    Independent opinion
    ¶53   In    both      Williams      and      Barton,     the   expert     witness
    offered his or her independent opinion based in part on the data
    provided by the non-testifying analyst and the expert witness's
    own expertise.          See Williams, 
    253 Wis. 2d 99
    , ¶¶25-26; Barton,
    
    289 Wis. 2d 206
    , ¶16.               Williams and Barton also discussed the
    expert witnesses' qualifications and noted they were qualified
    to give an expert opinion based on the information before them.
    Williams, 
    253 Wis. 2d 99
    , ¶21; Barton, 
    289 Wis. 2d 206
    , ¶¶13,
    16.      We   discussed       the    role       of   an   independent        opinion    most
    thoroughly in Williams, where we stated that "one expert cannot
    act as a mere conduit for the opinion of another."                              Williams,
    
    253 Wis. 2d 99
    , ¶19.             However, we recognized that an expert may
    form an independent opinion based in part on the work of others
    without acting as a "conduit."                  
    Id., ¶25. ¶54
      In    Williams,       the    expert     witness     reviewed      the    tests
    done by another analyst, including the data and notes, and then
    formed her own opinion.               
    Id. We concluded
    that the testifying
    expert's      opinion      was     sufficiently       independent      to     protect    the
    33
    No.     2009AP3073-CR
    defendant's         right        of    confrontation,           and        was       not    a     mere
    recitation of another analyst's conclusions.                               
    Id., ¶¶25-26. In
    Barton, the expert offered his opinion based on his review of
    the entire file, including data similar to the chromatograms in
    this case.          Barton, 
    289 Wis. 2d 206
    , ¶¶13-14.                                The court of
    appeals       concluded     the       expert's          testimony     was      his     independent
    opinion.        
    Id., ¶13. ¶55
        Here, Harding was qualified to present testimony on
    the laboratory procedures and come to an independent opinion
    regarding Griep's BAC.                     To arrive at his conclusion, Harding
    relied     on     his    review       of     data       collected     by    Kalscheur,           other
    records       compiled      at    the       laboratory,        and     his       own    expertise.
    Pointing to Harding's lack of personal knowledge of Kalscheur's
    testing of Griep's blood sample, Griep argues that Harding's
    opinion could not have been independent.                              However, we held in
    Williams, and the court of appeals held in Barton, that it was
    acceptable that the analyst's report, data, and notes were the
    factual bases of the expert witness's opinion, in addition to
    the witness's own professional expertise.                            Williams, 
    253 Wis. 2d 99
    , ¶25; Barton, 
    289 Wis. 2d 206
    , ¶13.                                Williams and Barton
    conclude that an expert witness need not have personal knowledge
    of   the      forensic    tests,        as       long    as   the    witness's         opinion      is
    reached       independently           and        is     not   merely       a     recitation         of
    another's         conclusions.             See    Williams,         
    253 Wis. 2d 99
    ,    ¶25;
    Barton, 
    289 Wis. 2d 206
    , ¶¶13, 16.                            In each case, the expert
    witness rendered an independent opinion by reviewing data and
    notes      from    the    analyst          and    the     expert     testified         as    to    the
    34
    No.    2009AP3073-CR
    general     procedures     for      preparing          and     testing         samples.24
    Williams, 
    253 Wis. 2d 99
    , ¶25; Barton, 
    289 Wis. 2d 206
    , ¶14.
    Harding conducted the same type of review and based his opinion
    on the same type of records and personal expertise as the expert
    witness did in Williams and Barton, and his opinion is similarly
    independent.
    ¶56     Harding   reviewed     Kalscheur's        test    results         and    other
    relevant     laboratory     records       and     he    testified         as     to       his
    independent opinion.         In accordance with Williams and Barton,
    Harding's     testimony      did     not        violate       Griep's       right          of
    confrontation.         Williams,    
    253 Wis. 2d 99
    ,    ¶26;      Barton,         
    289 Wis. 2d 206
    , ¶20.
    III.       CONCLUSION
    ¶57     We   conclude       that     Harding's          review       of     Griep's
    laboratory    file,     including    the      forensic       test    results         of   an
    analyst who was unavailable for trial, to form an independent
    opinion to which he testified did not violate Griep's right of
    confrontation.         Williams,    
    253 Wis. 2d 99
    ,    ¶26;      Barton,         
    289 Wis. 2d 206
    , ¶20.        Accordingly, we affirm the court of appeals
    24
    In Barton, the expert testified as to both the general
    laboratory procedures and, after review of the data and notes,
    that the analyst seemed to have followed the general procedures.
    Barton, 
    289 Wis. 2d 206
    , ¶¶13-14.     Here, Harding stated that
    "all indications are that the procedures were followed, the
    instrument was operating properly, properly calibrated."    This
    statement is within the bounds of an accepted assessment of the
    analyst's procedures as in Barton.
    35
    No.   2009AP3073-CR
    decision    that    affirmed    the    circuit        court's     admission     of
    Harding's testimony.
    By    the   Court.—The    decision    of   the    court     of   appeals   is
    affirmed.
    ¶58    DAVID T. PROSSER, J., withdrew from participation.
    36
    No.    2009AP3073-CR.ssa
    ¶59       SHIRLEY      S.     ABRAHAMSON,           C.J.      (concurring).           The
    United States Supreme Court has not yet defined the contours of
    the limitations imposed by the Confrontation Clause on forensic
    evidence and expert testimony.                          The fractured decisions of the
    Court       in    this      field     may    be    an     omen   of   changes     to   come    in
    Confrontation Clause jurisprudence.1
    ¶60       In   the    meantime,          however,    federal     and    state    courts
    must determine how the Confrontation Clause applies to forensic
    evidence and expert testimony.2                          At present, federal and state
    cases       are    all      over    the     map    in    their     attempts    to   apply     the
    Court's Confrontation Clause decisions.
    ¶61       As courts develop and apply this evolving body of law,
    the     "ultimate           goal"     of     the        Confrontation     Clause       must    be
    remembered:            To    ensure       that     the    reliability     of     evidence      is
    "assessed in a particular manner," namely "by testing in the
    1
    See, for example, Williams v. Illinois, 
    132 S. Ct. 2221
    (2012), in which four opinions were filed but none received a
    majority vote.    "The persistent ambiguities in the Court's
    approach are symptomatic of a rule not amenable to sensible
    applications." Bullcoming v. New Mexico, 
    131 S. Ct. 2705
    , 2726
    (2011) (Kennedy, J., dissenting). See also People v. Lopez, 
    286 P.3d 469
    , 483 (Cal. 2013) (Liu, J., dissenting) ("Given the
    array of possible doctrinal approaches left open by Williams,
    one can only surmise that the high court will soon weigh in
    again.").
    2
    See State v. Deadwiller, 
    2013 WI 75
    , ¶47, 
    350 Wis. 2d 138
    ,
    
    834 N.W.2d 362
    (Abrahamson, C.J., concurring) ("[T]he majority
    opinion does not help answer the recurring significant central
    constitutional/evidentiary question presented, namely, 'How does
    the Confrontation Clause apply to the panoply of crime
    laboratory reports and underlying technical statements written
    by (or otherwise made by) laboratory technicians?'").
    1
    No.    2009AP3073-CR.ssa
    crucible of cross-examination."3                              The majority opinion seems to
    lose sight of this goal.                       I write separately to bring the goal
    of the Confrontation Clause back into focus.
    ¶62    In Crawford v. Washington, 
    541 U.S. 36
    , 61 (2004), the
    United       States       Supreme        Court       declared            that    the       Confrontation
    Clause        bars      the      introduction                 of     out-of-court           testimonial
    statements unless the declarant is unavailable for trial and the
    declarant has previously been cross-examined by the defendant.
    The     application           of        this       fundamental             Confrontation          Clause
    principle          in   the      context           of       forensic       evidence         and   expert
    testimony has been the subject of much debate and litigation in
    state and federal courts.
    ¶63    In Wisconsin, a forensic report regarding a particular
    defendant          that     is      created             for        prosecutorial           purposes     is
    considered an out-of-court testimonial statement.4                                          It is clear
    under       Crawford      that     such        a    report          cannot      be     introduced     into
    evidence       without        testimony            from       the    analyst         who    prepared    it
    unless       the     analyst       is    unavailable               and    was    previously       cross-
    examined by the defendant.
    ¶64    Ambiguity remains regarding the precise circumstances
    under which the Confrontation Clause permits the introduction of
    substitute expert testimony about forensic test results when the
    forensic report itself is not introduced.
    3
    Crawford v. Washington, 
    541 U.S. 36
    , 61 (2004).
    4
    State v. Williams, 
    2002 WI 58
    , ¶¶48-49, 
    253 Wis. 2d 99
    ,
    
    644 N.W.2d 919
    .
    2
    No.   2009AP3073-CR.ssa
    ¶65     In State v. Williams, 
    2002 WI 58
    , 
    153 Wis. 2d 99
    , 
    644 N.W.2d 919
    , this court established that the Confrontation Clause
    does not allow the State to call a surrogate expert to the
    witness stand simply to have the expert read or summarize a
    forensic report authored by someone else.                   The court held that
    "one expert cannot act as a mere conduit for the opinion of
    another" without violating the defendant's constitutional right
    to confront the State's witnesses.5
    ¶66     Similarly, in Bullcoming v. New Mexico, 
    131 S. Ct. 2705
    (2011), in which the certified results of a blood alcohol
    test were introduced with testimony from "a scientist who did
    not   sign    the    certification     or    perform   or     observe    the   test
    reported in the certification," the United States Supreme Court
    "bluntly held that such 'surrogate' expert testimony violates
    the confrontation right.         The accused's right is to confront the
    lab analyst who performed the test, unless the state can show
    that [the lab analyst] is unavailable and that [the] defendant
    had an opportunity pretrial to cross-examine him."6
    ¶67     In the present case, the State obtained a testimonial
    forensic     report    that   concludes     the   defendant's      blood   alcohol
    content      was    0.152   percent.        The   analyst    who    prepared    the
    forensic report was unavailable for trial.              The analyst had not,
    5
    
    Id., ¶19. 6
           7 Daniel D. Blinka, Wisconsin Practice Series: Wisconsin
    Evidence § 802.303, at 142 (3d ed., 2014 Pocket Part).
    3
    No.    2009AP3073-CR.ssa
    however, been cross-examined by the defendant previously.                                Thus,
    the forensic report itself could not be introduced.
    ¶68     The     State     did    not    introduce         the     forensic     report.
    Instead, the State called Patrick Harding, an employee in the
    same laboratory in which the forensic analysis was conducted, as
    a substitute expert witness to testify in lieu of the analyst
    who prepared the report.
    ¶69     Harding had no personal connection with the forensic
    report at issue.               He had not observed the defendant's blood
    sample       and     had   not   participated           in     its     testing.       Harding
    nevertheless testified about the subject matter of the forensic
    report and testified that in his opinion, the defendant's blood
    alcohol content was 0.152 percent.
    ¶70     The    majority     opinion     distinguishes            the    instant     case
    from   prior       United      States    Supreme        Court        cases    in   which    the
    Confrontation         Clause     was    held       to   have    been     violated     on    the
    ground that the State in the instant case did not introduce an
    out-of-court testimonial statement.                      According to the majority
    opinion, although Harding's opinion was based on the analyst's
    out-of-court testimonial statement, it nevertheless qualifies as
    independent.
    ¶71     Crawford does not govern the introduction of testimony
    based on an out-of-court testimonial statement; it governs the
    introduction of the out-of-court testimonial statement itself.
    Thus, the majority opinion reasons, there was no Confrontation
    Clause violation in the instant case.
    4
    No.   2009AP3073-CR.ssa
    ¶72    I disagree with the majority opinion's analysis.                        It
    is a stretch, in my view, to call Harding's opinion independent.
    I conclude that Harding served as a conduit for the opinion of
    the analyst who performed the forensic testing at issue.                           In my
    opinion,      the   analyst's        out-of-court     testimonial        statement    was
    introduced——albeit indirectly——through Harding's testimony.
    ¶73    Under     a     strict       reading    of      Crawford,       Harding's
    testimony violated the defendant's Confrontation Clause rights
    because       the   analyst     whose    out-of-court        testimonial       statement
    Harding       indirectly      introduced      had    not   previously       been   cross-
    examined by the defendant.                  I conclude, however, that such a
    narrow reading of Crawford and its progeny improperly ignores
    the values underlying the Confrontation Clause and the practical
    realities the State and the courts face in cases that rely on
    forensic      evidence.         It   also    fails    to    take    into    account   the
    reliability of forensic evidence and fails to give proper weight
    to the goal of enabling the State to prosecute a crime when a
    fair trial is possible.
    ¶74    In   my       opinion,    courts       should       search    for    fair,
    practical, and workable evidentiary rules and should not deem
    the Confrontation Clause violated whenever the prosecution fails
    to call to the witness stand all whose testimony may be relevant
    to the accuracy of the forensic testing at issue in a particular
    case.
    ¶75    Keeping the majority, plurality, and minority writings
    of the justices of the United States Supreme Court in Crawford
    and its progeny in mind, and seeking the best interpretation of
    5
    No.   2009AP3073-CR.ssa
    the law available in light of the authorities binding upon this
    court, I conclude that the substitute expert testimony at issue
    in the instant case satisfies the Confrontation Clause.
    I
    ¶76     I     begin        by     examining            the     majority        opinion's
    determination that Harding testified to an independent opinion
    and was not merely a conduit for the opinion of the analyst who
    performed the forensic testing at issue.7
    ¶77     State       v.     Williams,            
    2002 WI 58
    ,       ¶¶25-26,        
    253 Wis. 2d 99
    , 
    644 N.W.2d 919
    , held that an expert witness other
    than the analyst who performed the forensic testing at issue can
    testify to "an independent expert opinion" without violating the
    Confrontation Clause, even when that opinion is based in part
    "on    facts       and    data    gathered        by    someone      else."       Whether       the
    opinion      provided       by    such    a   substitute            expert      witness    is    an
    independent one must be determined on a case-by-case basis.
    ¶78     Independence is a question of degree.                             Williams does
    not reveal the precise degree of independent judgment that must
    undergird an expert's opinion for a court to characterize the
    opinion as independent for Confrontation Clause purposes.
    ¶79     It    is     clear,       however,        that       for    purposes       of    the
    Confrontation Clause, a substitute expert witness must do more
    than       merely        recite    or     summarize           the     work       of   another.8
    Consequently, the fact that the forensic report itself was not
    7
    See majority op., ¶¶3, 46-47, 52, 55-57.
    8
    Williams, 
    253 Wis. 2d 99
    , ¶19.
    6
    No.    2009AP3073-CR.ssa
    introduced    in    the     present          case     is    not    dispositive.             "The
    question is not whether [the forensic report] is disclosed in
    documentary       form,     or        orally   recapitulated           by     a     testifying
    expert.       Rather,       the        appropriate         question     is        whether   the
    substance of the testimonial materials is shared with the fact-
    finder to suggest its truth, without the report's author being
    available for cross-examination."9
    ¶80     In the present case, Harding testified that he was
    offering an independent opinion.                    Harding's characterization of
    his testimony is not binding on the court and is not supported
    by the record.
    ¶81     Harding stated at trial that he reviewed the analyst's
    "report when it went out and that is the chromatograms and the
    paperwork associated with the whole analytical run that [the
    analyst] did."
    ¶82     Harding was familiar with the policies and procedures
    of the laboratory in which the forensic analysis took place.                                 He
    testified    that    all    indications            were     that   standard         laboratory
    procedures were followed and that the chromatograph machine was
    properly calibrated.
    ¶83     Harding       did        not,     however,        have         any     first-hand
    knowledge that the procedures were followed in the present case.
    Harding     was    unable        to     testify     about      the     handling        of    the
    defendant's       blood     sample        or    the        steps   that       preceded       the
    chromatograph machine's analysis of that sample.                             Harding had no
    9
    David H. Kaye et al., The New Wigmore: Expert Evidence,
    § 4.10.2, at 200 (2d ed. 2010).
    7
    No.    2009AP3073-CR.ssa
    knowledge of the labeling or loading of the defendant's blood
    sample and had no knowledge of the sample's appearance or odor
    upon    arrival      at    the     laboratory.       Harding     made       no   direct
    observations of the sample or its testing.                     Harding could not
    testify about whether there was human error in the process of
    testing the defendant's blood sample.
    ¶84    In sum, Harding was unable to say whether the blood
    sample was received intact or whether the blood alcohol content
    testing was performed according to protocol.                         "These are the
    kinds of facts that mattered to the Bullcoming Court."10
    ¶85    Harding's only basis for determining the defendant's
    blood alcohol content was the analyst's report and supporting
    documentation.            Harding    did    not,   and   could       not,   offer     any
    different or additional analysis beyond that contained in the
    forensic report and attached materials.                  Harding had no greater
    connection with the specific forensic testing at issue than any
    other qualified forensic analyst from Harding's lab would have
    had.
    ¶86    The    documents      and    information   Harding       reviewed     were
    not, in my view, sufficient to enable Harding to independently
    "understand,         interpret,      and     evaluate    the     [forensic        test]
    results."11         I conclude that for purposes of the Confrontation
    Clause,      Harding      lacked    sufficient     information        to    provide    an
    10
    Kaye et al., supra note 9, § 4.12.4, at 69 (Cumulative
    Supp. 2015).
    11
    Kaye et al., supra note 9, § 4.10.2, at 205.
    8
    No.   2009AP3073-CR.ssa
    independent opinion about the defendant's blood alcohol content.
    Harding       was,       in    essence,   a   conduit        through     which    the   State
    entered       another         analyst's   otherwise       inadmissible        opinion      into
    evidence.
    ¶87       My     position    that       Harding       failed     to      provide     an
    independent opinion is supported by the United States Supreme
    Court's reasoning in Bullcoming v. New Mexico, 
    131 S. Ct. 2705
    (2011), and Melendez-Diaz v. Massachusetts, 
    557 U.S. 305
    (2009).
    ¶88       In     Bullcoming,      the       United     States        Supreme    Court
    debunked the notion that an analyst who performs a blood alcohol
    content test is a "mere scrivener," cross-examination of whom
    serves no legitimate purpose.                    Bullcoming makes clear that the
    analyst who tested the defendant's blood sample has valuable
    information about the test results beyond the information set
    forth        in    the    materials       produced      by     the     gas    chromatograph
    machine.          Thus, the opportunity to cross-examine the analyst is
    important.
    ¶89       The Bullcoming Court explained that "[s]everal steps
    are involved in the gas chromatograph process, and human error
    can occur at each step."12                 According to the Court, the results
    produced by the gas chromatograph process are determined in part
    by "past events and human actions," which are not "revealed in
    12
    
    Bullcoming, 131 S. Ct. at 2711
    .
    9
    No.    2009AP3073-CR.ssa
    raw, machine-produced data," and which constitute "me[a]t for
    cross-examination."13
    ¶90    In other words, according to the Bullcoming Court, an
    analyst's     testifying    and     submitting        to   cross-examination        at
    trial are not hollow formalities.              The Court recognized that a
    substitute expert witness cannot convey all that the analyst who
    performed     the   forensic    testing      knows    or   observed      and   cannot
    expose any lapses on the analyst's part.14                    Thus, the analyst
    should be subject to confrontation even "if all analysts always
    possessed the scientific acumen of Mme. Curie and the veracity
    of Mother Theresa."15
    ¶91    Similarly,    Melendez-Diaz       stresses      that    a     substitute
    expert witness who testifies based solely on the results of the
    gas chromatograph process will have little to no knowledge of
    the past events and human actions that helped determine those
    results.       As   a   result,    cross-examination         of    the     substitute
    expert witness cannot effectively uncover mistakes or misconduct
    by   the    analyst,    which     can   render       the   results    of    the    gas
    chromatograph process unreliable.
    ¶92    In     Melendez-Diaz,       the     Court       acknowledged         that
    "[f]orensic evidence is not uniquely immune from the risk of
    13
    
    Id. at 2714.
        By contrast, the dissent in Bullcoming
    emphasized the mechanical nature of the gas chromatograph. See
    
    Bullcoming, 131 S. Ct. at 2724
    (Kennedy, J., dissenting).
    14
    
    Bullcoming, 131 S. Ct. at 2715-16
    .
    15
    Melendez-Diaz, 
    557 U.S. 305
    , 319 n.6 (2009).                         See also
    
    Bullcoming, 131 S. Ct. at 2715
    .
    10
    No.   2009AP3073-CR.ssa
    manipulation."16        Mistake or misconduct can influence forensic
    test results.17       "A forensic analyst responding to a request from
    a     law    enforcement    official     may    feel    pressure——or       have   an
    incentive——to alter the evidence in a manner favorable to the
    prosecution."18
    ¶93    Harding appears to have recognized the dangers posed
    by admitting his testimony in lieu of testimony by the analyst
    who    performed     the   forensic     testing   in    question.         On   cross-
    examination, defense counsel asked Harding whether the analyst
    who tested the defendant's blood sample could have tampered with
    the sample had she "had a mind to do it."                     Harding responded:
    "[I]f an analyst wanted to do something nefarious, sure, that's
    correct, that could happen."            Defense counsel then asked whether
    an    analyst's      tampering   with    a    blood    sample    "could    possibly
    escape your detection when you review the written reports and
    materials."       Harding replied: "Sure."
    ¶94    This colloquy demonstrates the inherent limits to what
    an expert can know about gas chromatography testing performed by
    someone      else.     Because   of   these    limits,    a     substitute     expert
    witness can do little more than summarize the work and parrot
    16
    
    Melendez-Diaz, 557 U.S. at 318
    .
    17
    Indeed, according to an amicus brief submitted in the
    instant case by the Innocence Network, "[u]nvalidated or
    improper forensic science is a leading cause of wrongful
    convictions, playing a role in the cases of almost half of the
    321 wrongfully convicted people in the United States who have
    been exonerated by DNA testing."
    18
    
    Melendez-Diaz, 557 U.S. at 318
    .
    11
    No.     2009AP3073-CR.ssa
    the findings of the analyst who performed the testing.                                        Harding
    was    no    different;         he    summarized          the       work     and     parroted        the
    findings of the analyst who performed the forensic testing at
    issue.
    ¶95    In sum, a careful reading of case law and of Harding's
    testimony reveals that Harding was unable to testify about the
    gas chromatograph process at issue other than by relying on, and
    disclosing      the    substance           of,     materials            generated       by    another
    analyst's use of the gas chromatograph machine.
    ¶96    The    State       called      Harding          as    a   witness        in    order    to
    introduce the otherwise inadmissible conclusion of a testimonial
    forensic report prepared by someone else.                                    Harding could not
    provide      insight           into    the      testing            process       other       than    by
    disclosing      the    substance           of      the    report         itself.            Under    the
    circumstances of the present case, Harding did not provide an
    independent      opinion.            The   values        underlying          the     Confrontation
    Clause would be better protected by testimony from, and cross-
    examination of, the analyst who prepared the report.
    II
    ¶97    In my view, a defendant's Confrontation Clause rights
    must   be    balanced          against       the    practical           reality        that    cross-
    examining     the     forensic          analyst         who    performed         the     testing      at
    issue will not always be possible or necessary.                                     Courts should
    not——and     need     not       under      current       United         States      Supreme     Court
    precedent——exclude              forensic         evidence           that      has      indicia        of
    reliability         when       the    analyst       who       performed        the      testing       is
    unavailable     but        a    substitute         expert          witness    is     available        to
    12
    No.   2009AP3073-CR.ssa
    provide useful and significant information about that evidence
    and to submit to cross-examination.19
    ¶98       Thus,    although      I   conclude    that     Harding's       testimony
    indirectly introduced an out-of-court testimonial statement made
    by an unavailable analyst who had not previously been cross-
    examined, and although I conclude that the Confrontation Clause
    would        be    better       protected      by    testimony     from,     and     cross-
    examination of, the analyst who conducted the forensic testing
    at issue, my analysis does not end there.
    ¶99       As Justice Kennedy's dissent in Bullcoming explains,
    the     United       States       Supreme      Court    lacks    the     experience       and
    familiarity         with       state   trial    processes       necessary    to    make    it
    well-suited for the role of a national tribunal for rules of
    evidence.20          Accordingly, this court should contribute to the
    development          of        evidentiary      rules    that     pay      heed    to     the
    constitutional            and     practical     concerns    of     state     courts,      the
    State, and defendants.                 The instant case presents the court with
    the opportunity to do just that.
    ¶100 When         an     analyst     becomes    unavailable        without      first
    submitting to cross-examination by the subject of the analyst's
    forensic testing, what happens to the results produced by that
    19
    "Thus, when there is both unavailability and a meaningful
    but imperfect substitute for contemporaneous cross-examination,
    the Constitution, according to Crawford, does not require
    wholesale exclusion. . . .      [N]ecessity ought to permit a
    second-best solution." Kaye et al., supra note 9, § 4.12.2, at
    66-67 (Cumulative Supp. 2015).
    20
    
    Bullcoming, 131 S. Ct. at 2727
    (Kennedy, J. dissenting).
    13
    No.    2009AP3073-CR.ssa
    testing?            If Crawford imposes a rigid, wholesale ban on non-
    independent           substitute           expert      testimony          about       forensic        test
    results when an unavailable forensic analyst has not previously
    been cross-examined, how could the results be introduced?                                               In
    short, they could not.
    ¶101 It        seems        to     me,       however,      that     Crawford          does    not
    dictate        such     rigidity.                I   reach       this     conclusion          based     on
    Crawford itself (which recognizes that the opportunity to cross-
    examine a witness at trial is not always possible or necessary21)
    and on Crawford's progeny.
    ¶102 The           separate         writings         issued        in        Bullcoming       are
    particularly instructive.
    ¶103 Justice          Sotomayor's             concurrence         in    Bullcoming           makes
    clear        that    the    Court        "would       face   a    different          question        [than
    faced in Bullcoming and prior cases] if asked to determine the
    constitutionality              of        allowing      an    expert        witness       to     discuss
    others'        testimonial          statements          if   the        testimonial       statements
    21
    Under Crawford, a prior opportunity to cross-examine an
    unavailable   witness   provides  a   constitutionally   adequate
    alternative to cross-examination of the witness at trial.
    14
    No.      2009AP3073-CR.ssa
    were not themselves admitted as evidence."22                       That is the very
    question presented in the instant case.23
    ¶104 Justice Sotomayor emphasized that Bullcoming should be
    read    narrowly.      Justice      Sotomayor      wrote     that     Bullcoming         and
    prior cases would not control future cases in which "the person
    testifying is a supervisor, reviewer, or someone else with a
    personal, albeit limited, connection to the scientific test at
    issue."24
    ¶105 Justice       Sotomayor    did       not    explain        the     level     of
    involvement a substitute witness must have with the "scientific
    test at issue" to render the witness's testimony permissible
    under the Confrontation Clause.                  However, the implication of
    Justice     Sotomayor's      Bullcoming          concurrence        is     that     if     a
    substitute    expert      witness     testifies        who   has      even    a    limited
    connection    to    the   testing     at    issue,     there    might        not   be    any
    Confrontation Clause violation:
    [In Bullcoming, the analyst] conceded on cross-
    examination that he played no role in producing the
    22
    Bullcoming,         131   S.        Ct.    at     2722      (Sotomayor,           J.,
    concurring).
    23
    Justice Sotomayor discusses Federal Rule of Evidence 703,
    explaining that facts and data upon which experts in a given
    field would reasonably rely in forming an opinion need not be
    admissible in order for an expert opinion based on such facts
    and data to be admitted.    There is, however, an argument to be
    made that despite Rule 703, evidence that is excluded from trial
    on constitutional grounds ought not to be permitted to serve as
    part of the basis for an expert's conclusion. See Kaye et al.,
    supra note 9, § 4.5, at 158.
    24
    Bullcoming,         131   S.        Ct.    at     2722      (Sotomayor,           J.,
    concurring).
    15
    No.    2009AP3073-CR.ssa
    BAC report and did not observe any portion . . . of
    the testing. . . .   It would be a different case if,
    for example, a supervisor who observed an analyst
    conducting a test testified about the result or a
    report about such results.   We need not address what
    degree of involvement is sufficient because here [the
    analyst] had no involvement whatsoever in the relevant
    teat and report.25
    ¶106 The four dissenting justices in Bullcoming objected to
    the Bullcoming majority's extension of Melendez-Diaz.                                According
    to    the    dissenters,          Melendez-Diaz          does      not        prohibit       the
    introduction         of    a      testimonial           forensic     report           when     a
    knowledgeable        representative        of      a    laboratory       is    "present       to
    testify and to explain the lab's processes and the details of
    the   report."26           Nor,      in   the      dissenters'       view,           does    the
    Confrontation Clause.
    ¶107 The       dissent      reasons       that     a   blood       alcohol       content
    analysis "is mechanically performed by the gas chromatograph,
    which may operate . . . after all the laboratory employees leave
    for   the        day."27       Under      these        circumstances,          the     dissent
    concludes, the introduction of a forensic report along with the
    testimony of a knowledgeable laboratory representative who is
    available for cross-examination is "fully consistent with the
    Confrontation        Clause    and     with    well-established           principles         for
    ensuring that criminal trials are conducted in full accord with
    25
    
    Id. 26 Id.
    at 2723 (Kennedy, J., dissenting).
    27
    
    Id. at 2724
    (Kennedy, J., dissenting).
    16
    No.    2009AP3073-CR.ssa
    requirements            of    fairness     and      reliability            and     with     the
    confrontation guarantee."28
    ¶108 Keeping these and other post-Crawford writings of the
    justices of the United States Supreme Court in mind, and seeking
    the best interpretation of the law available in light of the
    authorities        binding      upon     this     court,     I       conclude       that    the
    substitute         expert     testimony     at     issue     in      the        instant    case
    satisfies the Confrontation Clause.
    ¶109 More         specifically,      I     conclude      that       in    the   instant
    case, cross-examination of a substitute expert witness who fails
    to   provide       an    independent       opinion    constitutes           a     permissible
    alternative to cross-examination of the analyst who performed
    the forensic testing at issue when the following conditions are
    met:
    1.        The analyst is unavailable for cross-examination,
    through no fault of the parties;
    2.        Re-testing is not possible;
    3.        The analyst recorded the forensic test results at
    or    near      the   time    of    testing       in    the       course     of   a
    regularly conducted activity and would be unlikely to
    have       an   independent        memory    of     the      test     performed
    (because, for example, the analyst processed many such
    tests within a short period);
    28
    
    Id. at 2723
    (Kennedy, J., dissenting).
    17
    No.    2009AP3073-CR.ssa
    4.   The analyst recorded the results in a way that
    another    expert      in   the    field   could        understand       and
    interpret; and
    5.   The   substitute       expert      witness    is     qualified       to
    discuss    and   interpret        the   original        results    and    is
    subject to cross-examination.
    ¶110 Because these conditions appear to have been met in
    the present case, I conclude that Harding's substitute expert
    testimony fulfills the minimum requirements of the Confrontation
    Clause.     Thus, like the majority opinion, I would allow it.
    ¶111 I note, finally, that in determining that Harding's
    testimony is permissible under the Confrontation Clause, I am
    cognizant of "the fundamental doctrinal dilemma" underlying the
    relationship      between     the    Confrontation       Clause        and     forensic
    evidence:
    [T]here   is    a   fundamental    mismatch    between   the
    Confrontation     Clause's   focus    on   the    individual
    testifying    expert   and   the   nature   of    scientific
    knowledge production, which is, more often than not, a
    collective rather than an individual enterprise.
    Science often depends on a certain degree of epistemic
    deference    to    the   conclusions    and   findings    of
    others . . . and scientists are often engaged in
    "distributed cognition" in which [] the knowledge
    relevant to a [particular] question . . . stretches
    across a network of humans and machines. . . . [W]hen
    a witness uses only a modicum of independent judgment
    to evaluate and opine on tests done by others, this
    problem of distributed knowledge and the Confrontation
    Clause rears its head.29
    ¶112 For the reasons set forth, I write separately.
    29
    Kaye et al., supra note 9, § 4.12.11, at 100 (Cumulative
    Supp. 2015) (footnotes omitted).
    18
    No.   2009AP3073-CR.ssa
    ¶113 I   am   authorized   to    state   that   Justice   ANN   WALSH
    BRADLEY joins this opinion.
    19
    No.   2009AP3073-CR.ssa
    1