Judge Allyson K Duncan

6 court opinions authored by Judge Allyson K Duncan. AI-powered plain English summaries, key holdings, and legal analysis.

6 opinions analyzed.

Courts

ca4 (6)

Frequently Decided Topics

Fourth Amendment search and seizure (4)Reasonable suspicion for traffic stops (3)Automobile exception to the warrant requirement (2)Admissibility of evidence (2)Reliability of "be on the lookout" (BOLO) alerts (1)Confidential informant information (1)Corroboration of informant tips (1)Administrative Procedure Act (APA) review (1)

Opinions by Judge Allyson K Duncan (6)

United States v. Connie Jamerson

Fourth Circuit Upholds Traffic Stop Based on Corroborated BOLO Alert

ca4 · 2026-02-27 · Defendant Win · Impact: 40/100

United States v. Connie Jamerson, decided by Fourth Circuit on February 27, 2026, resulted in a defendant win outcome. The Fourth Circuit affirmed the district court's denial of Connie Jamerson's moti...

Natl. Assoc. of Diversity Officers in Higher Edu. v. Donald Trump

Fourth Circuit Affirms Dismissal of DACA Rescission Challenge

ca4 · 2026-02-06 · Defendant Win · Impact: 65/100

Natl. Assoc. of Diversity Officers in Higher Edu. v. Donald Trump, decided by Fourth Circuit on February 6, 2026, resulted in a defendant win outcome. The Fourth Circuit affirmed the district court's ...

United States v. Kalub Shipman

Fourth Circuit Upholds Warrantless Vehicle Search Based on Probable Cause

ca4 · 2026-01-21 · Defendant Win · Impact: 30/100

United States v. Kalub Shipman, decided by Fourth Circuit on January 21, 2026, resulted in a defendant win outcome. The Fourth Circuit affirmed the district court's denial of a motion to suppress evid...

Sandra Gardner v. International Association of Machinists

Fourth Circuit: Title VII Claims Time-Barred Due to Untimely Administrative Charge

ca4 · 2025-08-11 · Defendant Win · Impact: 15/100

Sandra Gardner v. International Association of Machinists, decided by Fourth Circuit on August 11, 2025, resulted in a defendant win outcome. The Fourth Circuit affirmed the district court's grant of ...

United States v. Stephen Purks

Fourth Circuit Upholds Warrantless Vehicle Search Based on Informant Tip

ca4 · 2025-06-05 · Defendant Win · Impact: 65/100

United States v. Stephen Purks, decided by Fourth Circuit on June 5, 2025, resulted in a defendant win outcome. The Fourth Circuit affirmed the district court's denial of Stephen Purks' motion to supp...

United States v. Oscar Pliego-Pineda

Fourth Circuit Upholds Extended Traffic Stop Based on Reasonable Suspicion

ca4 · 2025-02-24 · Defendant Win · Impact: 30/100

United States v. Oscar Pliego-Pineda, decided by Fourth Circuit on February 24, 2025, resulted in a defendant win outcome. The Fourth Circuit affirmed the district court's denial of Oscar Pliego-Pined...

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