Woman Executed Ex-Boyfriend's New Lover After Halloween Party

Murder Files Unsealed · Sep 18, 2026 · 43m · transcript

This episode covers the tragic 2021 murder of Leilani Marie Beachum, a nineteen-year-old killed in a jealous rage by Jessica Quintanilla. Prosecutors established that Quintanilla discovered the victim in bed with her former boyfriend, an Air Force Airman, leading her to fatally shoot Beachum. Following the homicide, the defendant’s brother and her ex-boyfriend assisted in transporting the body over one hundred miles to conceal the crime. During the 2024 trial, testimony from these accomplices helped secure a conviction despite the defense's claims of an accidental shooting. Ultimately, the…