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Circuit split · evidence law

Whether polygraph examination evidence is admissible at trial

1 federal appellate case on this question, each acknowledging the disagreement in its own words.

  1. Fourth Circuit Court of Appeals · September 20, 1995

    “We decline to follow the First Circuit because it would be "such a drastic departure from our previous practice" of excluding polygraph evidence.” — Declines to follow another circuit
    Empirical analysis of this case →

The other side of the split

Decisions the acknowledging court(s) named as the opposing or joined side, quoted in the acknowledging opinion's own words.

  • Declined to follow · 1st Cir.United States v. Lynn856 F.2d 430
    “Lynn, 856 F.2d 430 (1st Cir.1988), where the First Circuit held that a defendant may cross-examine a government witness about a clause in a plea agreement requiring a polygraph examination.” — United States v. Richard Anthony Wilford, acknowledging the split

What the split turns on

Anchor precedents:
United States v. A & S Council Oil Co.947 F.2d 1128
Doctrines & tests:
Rule of Completeness

Cases are grouped by the legal question they announce a split on, classified from the court's own acknowledgment sentence. Verified acknowledgments only. Counter-side decisions are extracted from the acknowledging opinions' own text and linked only when the citation resolves in this corpus. See all circuit splits.