United States v. Crumby

United States District Court for the District of Arizona

895 F. Supp. 1354 (D. Ariz. 1995)

Relevant factsFree

After Bank One in Chandler, Arizona was robbed, Thomas Riley admitted to the robbery and claimed David Crumby (defendant) had participated as an inside man, though Crumby maintained his innocence. Crumby took a polygraph test administered by a former Phoenix police polygrapher, who concluded Crumby was being truthful in denying involvement, and Crumby asked the court for an evidentiary hearing on whether that polygraph evidence could be admitted at trial.

IssueFree

Whether polygraph test results are admissible at trial despite the traditional per se rule against them, in light of modern scientific advances in polygraph reliability.

Holding & reasoning

The court resolved the question by applying the controlling rule to the facts and explaining precisely why the outcome followed. Its reasoning ties the doctrine to the record so you can reproduce the analysis on an exam.

Procedural history, concurrence & dissent

This section traces the case from the trial court through appeal and lays out how each opinion lands. Separate writings sharpen the majority's limits and flag the arguments most likely to resurface in class.

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