Pennsylvania man who killed 8 people, including pregnant daughter, was a "controlling" patriarch, police say
Updated on: October 15, 2026 / 6:55 PM EDT / CBS Pittsburgh
TL;DR
- Matthew Stone Sr., 45, is accused of killing eight people, including his wife, pregnant daughter, two sons, and two young children, as well as two visitors.
- Authorities described the family home as 'extremely filthy' with non-functional plumbing and urine bottles found throughout.
- Relatives reported that Matthew Stone Sr. had 'significant control' over his family for years, managing finances and restricting their movement.
- A domestic violence incident involving the same .40 caliber handgun occurred in 2019, but charges were withdrawn when the victim changed her statement.
- The pregnant daughter, Angelina Stone, had expressed concerns about her father's behavior and planned to leave the home after giving birth.
- Police found Matthew Stone Sr. on the second floor with an apparent self-inflicted gunshot wound.
- While some facts are established, authorities acknowledge they cannot definitively explain the motive or what occurred immediately before the shooting.