Overview
- Police say Matthew Stone Sr. shot and killed eight people inside a Perry Street home and then died of an apparent self-inflicted gunshot, in an attack investigators have been reconstructing with forensic work and footage.
- The victims included Stone’s wife, his pregnant daughter, two sons, a sister-in-law, a family friend, and two young children, and investigators used ShotSpotter data, doorbell audio/video, cellphone records, drones and robots to piece together a timeline.
- Authorities confirmed the same .40‑caliber handgun was involved in a 2019 domestic incident that led to an arrest but had its charges withdrawn after the alleged victim changed her statement, leaving Stone legally able to keep the firearm.
- Detectives described the home as extremely filthy with nonworking plumbing and numerous two‑liter bottles of urine, and family members told police Stone exercised long-term control over money and movements inside the household with signs the pregnant daughter had been packing to leave.
- Investigators say key interior details and a definitive motive remain unresolved, and the new findings have prompted local vigils, fundraising and renewed questions about how systems respond to domestic control and gun access.