10 Minute Murder | Bingeable True Crime Stories
The Peacemaker: Jesse Alvarez and the Murder of Mario Fierro
12:40
The Peacemaker: Jesse Alvarez and the Murder of Mario Fierro On February 1, 2021, Mario Fierro, a 37-year-old social studies teacher and football coach at Cathedral Catholic High School in San Diego, California, was shot and killed outside his home by Jesse Milton Alvarez, the ex-boyfriend of Fierro's fiancée, fellow teacher Amy Gembara. Alvarez had been systematically stalking Gembara for over…