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Dellinger v. Tennessee

Updated Sep 20, 2026

In brief

The Supreme Court refused to hear Dellinger’s case, so it did not decide whether Tennessee’s procedural rule violated the Constitution.

Where it stands
Decided

Decided · May 18, 2020

What it’s about
The Supreme Court denied Dellinger’s petition for review, leaving in place the Tennessee courts’ use of a procedural rule to prevent him from presenting his claim that he is intellectually disabled and therefore cannot be executed.
Who it affects
The denial left the Tennessee courts’ procedural ruling in place for Dellinger, but it did not decide whether the rule violates the Constitution.

Summary: written with AI from the case record.

Illustration for Dellinger v. Tennessee
Conceptual illustration · AI-generated

What it's about

Dellinger argued that, after a state court found he had made an initial showing of intellectual disability, denying him a hearing on that claim violated the Eighth Amendment and the Fourteenth Amendment.

A Tennessee state court had already found that Dellinger made an initial showing of intellectual disability. Tennessee courts then used a procedural rule to prevent him from presenting that claim at a hearing.

The petition raised Eighth and Fourteenth Amendment questions about whether a procedural rule could prevent a hearing on Dellinger’s intellectual-disability claim.

Question presented

1. Whether the Tennessee Supreme Court’s application of a state procedural rule to bar Petitioner’s claim of intellectual disability, after the state court had already found that Petitioner had made a prima facie showing of intellectual disability, violates the Eighth and Fourteenth Amendments to the United States Constitution. 2. Whether the Tennessee Supreme Court’s application of a state procedural rule to bar Petitioner’s claim of intellectual disability, after the state court had already found that Petitioner had made a prima facie showing of intellectual disability, violates the Due Process Clause of the Fourteenth Amendment to the United States Constitution.

What the Court decided

Holding

Petition DENIED.

What's next

This Supreme Court docket action is finished. The denial leaves the Tennessee courts’ procedural ruling in place for Dellinger, without a Supreme Court decision on his constitutional claim.

Documents

3

Docket activity

26
  • New analysis added

    Sep 20, 2026 · Court records

  • AI analysis generated: Case Briefing

    Sep 20, 2026 · Generated

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Older entries are on the full docket.

Sources

Primary materials plus reporting. Best-effort analysis: this explainer relies on a mix of primary materials and trusted secondary sources. Official filings and opinions remain authoritative.

Checked Sep 20, 2026Methodology

Court records and filings

Reporting and analysis