Matt Stone Shooting: Matthew Stone Sr., 45, Identified as Suspect in Deadly Erie, Pennsylvania Family Mass Shooting That Left 10 Dead
Authorities identify the suspected gunman and victims following the October 9 tragedy as investigators work to establish a motive.
ERIE, PENNSYLVANIA — Authorities have identified 45-year-old Matthew Stone Sr., also referred to as Matt Stone, as the suspected gunman in a devastating family mass shooting in Erie, Pennsylvania, on Friday, October 9, 2026. The incident resulted in 10 deaths, including the suspected shooter and an unborn baby, leaving families and the surrounding community grieving.
According to the Erie County Coroner, nine victims were killed, including Stone’s family members, two young children, two women who arrived at the residence, and an unborn child. Stone was also found dead from what investigators described as a self-inflicted gunshot wound.
What Happened in the Matt Stone Shooting?
The deadly shooting occurred at a residence near Seventh and Perry Streets in Erie on Friday afternoon.
Police received a gunfire detection alert at approximately 4:53 p.m. and responded to the property, where two women were discovered dead outside the home.
Investigators reviewing surveillance footage and witness accounts believe gunfire had already occurred inside the residence before the suspected shooter exited and fatally shot the two women.
Officers subsequently discovered additional victims inside the property, including adults and young children. Authorities confirmed that the deaths occurred before police arrived and that the incident did not involve a prolonged standoff.
Who Was Matthew Stone Sr.?
Matthew Stone Sr., 45, was identified by Erie County Coroner Lyell Cook as the suspected shooter and father of several victims.
Those killed included members of his immediate family, among them his adult children and grandchildren.
The tragedy also claimed the life of his pregnant daughter, who was reportedly approaching her expected delivery date.
Authorities have characterized the shooting as an apparent domestic incident, although investigators have not established what prompted the violence.
Erie Shooting Victims Identified
Officials identified the victims as Michelle Stone, Matthew Stone, Jonathan Stone, Angeline Stone, Twila Tanner and Lora Roberts, along with a 5-year-old boy, a 1-year-old girl and an unborn baby.
The deaths of the children and pregnant woman have added to the grief surrounding the tragedy, prompting condolences and expressions of support throughout the Erie community.
The identities of the victims were confirmed in reporting published Monday, October 12, following updates from the Erie County Coroner.
What Was the Motive Behind the Matthew Stone Shooting?
As of October 12, 2026, investigators have not publicly established a confirmed motive for the shooting.
Erie police are continuing to examine evidence, witness accounts and the circumstances leading up to the gunfire.
Although authorities believe the incident was domestic in nature, the precise sequence of events and reasons behind the killings remain under investigation.
Police have urged the public to avoid spreading unverified information while investigators work to establish the facts.
Erie Community Mourns Shooting Victims
The mass shooting has left the Erie community facing an extraordinary loss.
A candlelight vigil was held following the tragedy as residents gathered to remember the victims and support grieving families.
Erie Mayor Daria Devlin expressed condolences to those affected, while Pennsylvania officials offered support to the community.
Authorities have confirmed that the suspected gunman is deceased and that there is no ongoing threat connected to the incident.
Latest Update on the Matt Stone Shooting Investigation
The investigation into the October 9 Erie family shooting remains active. Police are reviewing evidence to determine exactly what happened and why.
As the community mourns, attention remains focused on honoring the victims, supporting surviving loved ones and obtaining answers about the circumstances surrounding the tragedy.
Further information is expected through official law enforcement announcements as the investigation progresses.