No. 19-7868October Term 2019Decided Apr 20, 2020Updated Sep 3, 2026
Turner v. Kemna
The Court declined review, leaving the lower-court result in place without resolving Turner's jury-selection claims.
Case status
Decided · April 20, 2020
- Current stage
- Decided
- Latest event
- Decision released Apr 20, 2020
- What it's about
The Supreme Court denied Turner’s petition for review, leaving the lower court’s ruling against him in place. Turner had argued that Missouri’s approach to ineffective-assistance claims during plea negotiations conflicted with Lafler v. Cooper, even when the defendant later received a constitutionally fair trial.
Question presented
1. Did the Missouri Supreme Court err in affirming the trial court's denial of Petitioner's motion to strike Juror No. 11 for cause, thereby violating Petitioner's rights to a fair and impartial jury under the Sixth and Fourteenth Amendments to the United States Constitution? 2. Did the Missouri Supreme Court err in affirming the trial court's denial of Petitioner's motion to strike Juror No. 27 for cause, thereby violating Petitioner's rights to a fair and impartial jury under the Sixth and Fourteenth Amendments to the United States Constitution?
- Case path
United States Court of Appeals for the Eighth Circuit / Decision released Apr 20, 2020
- Area
Decided Supreme Court case
Decision
What the Court decided
The Court declined review, leaving the lower-court result in place without resolving Turner's jury-selection claims.
Impact
For Turner, the lower-court result remains in place. Other defendants do not receive a new Supreme Court answer on when a juror must be removed for possible bias.
Not official Court text.
Briefing
What it's about
The Supreme Court declined to review Turner's challenge to the trial court's refusal to remove two prospective jurors for cause. The Court did not decide the merits of his Sixth and Fourteenth Amendment claims.
Impact
For Turner, the lower-court result remains in place. Other defendants do not receive a new Supreme Court answer on when a juror must be removed for possible bias.
What's next
The Supreme Court has finished action on this docket. The lower-court result remains in effect.
What did the Supreme Court do in Turner v. Kemna?
The Court declined to review the case. It did not decide whether the trial court wrongly kept either challenged juror.
Who is affected by the Court's action in Turner v. Kemna?
Turner remains subject to the lower-court result. Other criminal defendants receive no new nationwide rule from this case about removing jurors for cause.
What happens next in Turner v. Kemna?
The Supreme Court docket action is complete. The lower-court result stays in place.
Timing
Decided April 20, 2020
The Court released its decision on April 20, 2020 without hearing oral argument.
Documents
Activity
Docket activity3
AI analysis generated: Case Briefing
Sep 3, 2026 | Generated
Brief added: Petition
Feb 3, 2020 | Court records
Court Order added: Lower Court Orders/Opinions
Dec 12, 2019 | Court records
Related cases




Grounding
- Grounding
- Primary materials plus reporting.
- Note
- Best-effort analysis: this explainer relies on a mix of primary materials and trusted secondary sources. Official filings and opinions remain authoritative.
- Checked
- Sep 3, 2026
- Method
- Methodology
Primary materials7
Supreme Court docket 19-7868
docket | Sep 5, 2026
Primary case document
Supreme Court document | Sep 5, 2026
CourtListener docket record
docket | Sep 5, 2026
Petition
brief | Feb 3, 2020
Lower Court Orders/Opinions
order | Dec 12, 2019
SupremeCourt.gov
official | Sep 3, 2026
SupremeCourt.gov
official | Sep 3, 2026