Supreme Court of the United States / October Term 2019

Kahler v. Kansas

Decided March 23, 2020. Elena Kagan delivered the opinion of the Court.

Docket 18-6135 · 589 U.S. 271 · Cited 60 times

Holding

Due process does not require Kansas to adopt an insanity test that turns on a defendant’s ability to recognize that his crime was morally wrong.

The Court’s statement of the holding, from the opinion’s syllabus. The syllabus is prepared by the Reporter of Decisions and is not part of the opinion of the Court — read the official opinion for authority.

Official text

Read the official opinion (PDF, supremecourt.gov) (opens primary source in a new tab)

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Elena Kagan’s profile · All opinions since October Term 2017 · The Supreme Court

Source: Supreme Court of the United States, slip opinions (2020). Citation count from the Free Law Project’s CourtListener bulk data. Data last verified 2026-07-02. Informational only; verify against the primary source before relying. Not a consumer report (FCRA).