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Editor: Colin Miller

Tenth Circuit Reverses Conviction Based on Improper Admission of Anonymous Tip at Trial

On Undisclosed, we’ve covered a number of cases involving anonymous tips, and I’ve always lamented the lack of precedent on the issue of how to handle such tips at trial. Well, now we have a case that bucks that trend and addresses the issue head-on: United States v. Simpson, 2026 WL 1549308 (8th Cir. 2026).

In Simpson, “[o]n May 10, 2020, Kansas City police received an anonymous tip that Terrell Simpson, who …

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