Browse 9 probable cause determination cases decided by First Circuit. AI-powered summaries, holdings, and legal analysis.
First Circuit Upholds Warrantless Vehicle Search Based on Probable Cause
United States v. McBreairty, decided by First Circuit on February 20, 2026, resulted in a defendant win outcome. The First Circuit affirmed the district court's denial of the defendant's motion to sup...
First Circuit Upholds Warrantless Vehicle Search Based on Probable Cause
United States v. Del-Valle-Camacho, decided by First Circuit on January 14, 2026, resulted in a defendant win outcome. The First Circuit affirmed the district court's denial of the defendant's motion ...
First Circuit Affirms Denial of Injunction Against Florida's "Stop WOKE Act"
Ramos-Hernandez v. Bondi, decided by First Circuit on December 22, 2025, resulted in a defendant win outcome. The First Circuit affirmed the district court's denial of a preliminary injunction sought ...
Search of vehicle upheld based on probable cause and plain view doctrine
Calderon-Amezquita v. Rivera-Cruz, decided by First Circuit on October 30, 2025, resulted in a defendant win outcome. The First Circuit reviewed a district court's denial of a motion to suppress evide...
First Circuit Upholds Border Patrol Vehicle Stop Based on Reasonable Suspicion
United States v. Duluc-Mendez, decided by First Circuit on October 15, 2025, resulted in a defendant win outcome. The First Circuit affirmed the district court's denial of a motion to suppress evidenc...
First Circuit Upholds Warrantless Vehicle Search Based on Probable Cause
United States v. Medina, decided by First Circuit on September 9, 2025, resulted in a defendant win outcome. The First Circuit affirmed the district court's denial of the defendant's motion to suppres...
First Circuit Upholds Warrantless Vehicle Search Based on Probable Cause
United States v. Hernandez-Rodriguez, decided by First Circuit on August 11, 2025, resulted in a defendant win outcome. The First Circuit affirmed the district court's denial of the defendant's motion...
First Circuit Upholds Warrantless Vehicle Search Based on Probable Cause
United States v. Pizarro-Mercado, decided by First Circuit on July 30, 2025, resulted in a defendant win outcome. The First Circuit affirmed the district court's denial of the defendant's motion to su...
First Circuit Upholds Warrantless Vehicle Search Based on Probable Cause
Rodriguez-Mendez v. United States, decided by First Circuit on April 8, 2025, resulted in a defendant win outcome. The First Circuit affirmed the district court's denial of a motion to suppress eviden...
CaseLawBrief currently tracks 9 probable cause determination cases from First Circuit. This number is updated as new opinions are published.
Outcome breakdown: Defendant Win: 9.
Each case page on CaseLawBrief includes an AI-generated plain English summary, key holdings, and legal analysis. Click any case above to read its full analysis.