State of Iowa v. Antoine Tyree Williams, 972 N.W.2d 720

Antoine Williams, an African-American defendant, was convicted of second-degree murder by a Floyd County jury; his jury pool (up to 138 summoned) included only two African-American prospective jurors, one excused as a college student, leaving one at the courthouse.
Williams raised a Sixth Amendment fair-cross-section challenge; the Iowa Supreme Court remanded to allow him to develop arguments under refined standards from recent state decisions.
On remand evidence showed Floyd County then used combined voter-registration, operator, and nonoperator ID lists to form source lists; juror questionnaires were paper and optional for race, reminders and contempt enforcement were infrequent, and the jury manager routinely excused students.
Expert testimony (statistician and sociologist) identified historical underrepresentation of African-Americans on Floyd County jury pools and linked common jury-administration features to lower minority participation; Williams also pointed to statewide 2018 jury-management reforms that later increased racial reporting and electronic systems.
The district court denied Williams’s renewed Sixth Amendment claim; the Iowa Supreme Court affirmed, holding Williams failed to prove the Duren third-prong causation requirement because the challenged practices were ‘‘run-of-the-mill’’ jury-management practices that do not, without more, establish systematic exclusion under the Sixth Amendment. The Iowa-constitution claim was not preserved for decision.

Issue	Plaintiff's Argument	Defendant's Argument	Held
Whether Williams’s venire violated the Sixth Amendment fair-cross-section right	Williams: African-Americans were underrepresented in the pool; systemic causes include use of limited source lists, weak enforcement for failures to appear, no electronic reminders, student excusals, and nonrandom summoning	State: Floyd County used multiple official lists; challenged practices are commonplace jury-management practices and do not show systematic exclusion; no evidence of nonrandom selection	Affirmed for State: Williams failed Duren third prong (causation). The practices are "run-of-the-mill" and insufficient to prove systematic exclusion under the Sixth Amendment
Whether Williams preserved and may pursue an Iowa-constitution fair-cross-section claim on remand	Williams sought relief under both federal and Iowa constitutions on remand	State: claim not preserved below; remand limited to Sixth Amendment issues per prior opinion	Court: Williams conceded Iowa-constitution error not preserved; court addressed only Sixth Amendment claim

Duren v. Missouri, 439 U.S. 357 (1979) (establishes three-part fair-cross-section test)
Berghuis v. Smith, 559 U.S. 314 (2010) (‘‘run-of-the-mill’’ jury management practices generally do not establish systematic exclusion)
State v. Plain, 898 N.W.2d 801 (Iowa 2017) (adopts Duren framework and discusses fair-cross-section standards under Iowa law)
State v. Williams, 929 N.W.2d 621 (Iowa 2019) (prior Williams decision remanding to develop fair-cross-section claims)
State v. Lilly, 930 N.W.2d 293 (Iowa 2019) (discusses when commonplace jury practices may support systemic-exclusion claims)
State v. Veal, 930 N.W.2d 319 (Iowa 2019) (clarifies limits on using common jury practices to show systematic exclusion)
State v. Plain, 969 N.W.2d 293 (Iowa 2022) (clarifies terminology and reaffirms treatment of run-of-the-mill practices)
State v. Lilly, 969 N.W.2d 794 (Iowa 2022) (holds using voter/driver/nonoperator lists is ‘‘run-of-the-mill’’ jury-source practice)