Brenda Spencer: The Origin of the Monday School Shooting

Murder Files Unsealed · Sep 28, 2026 · 41m · transcript

This episode examines the life and criminal history of Brenda Ann Spencer, the teenager responsible for a 1979 shooting at a San Diego elementary school. The episode describes the violent incident that resulted in two fatalities and multiple injuries, famously motivated by Spencer's claim that she "didn't like Mondays." Beyond the attack itself, the narrative explores her troubled upbringing, including allegations of abuse and her father’s decision to gift her a semiautomatic rifle despite her mental health struggles. The source also discusses her life sentence and the cultural impact of her…