Unidentified Shooter Kills Pennsylvania State Trooper Corporal Timothy O'Connor Jr. During Chester County Traffic Stop
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Unidentified Shooter Kills Pennsylvania State Trooper Corporal Timothy O'Connor Jr. During Chester County Traffic Stop

09 March, 2026.Crime.9 sources

Key Takeaways

  • Cpl. Timothy O'Connor Jr. was fatally shot during a Chester County traffic stop.
  • The stopped driver opened fire, then died by suicide at the scene.
  • Governor Josh Shapiro ordered flags at state facilities to fly at half-staff.

Chester County traffic shooting

Pennsylvania State Police corporal Timothy O’Connor was fatally shot during a traffic stop in Chester County after responding to reports of an erratic driver Sunday night.

Monday, mar 9 SHARE A Pennsylvania State Police trooper who was shot during a traffic stop in Chester County on Sunday night has died, officials confirmed

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Multiple outlets report the stop occurred in the Honey Brook/West Caln Township area and that the shooting happened within seconds of O’Connor approaching the vehicle.

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The shooter subsequently died at the scene of an apparent self-inflicted wound.

Authorities found the trooper after he went silent on the radio and later pronounced him dead after he was taken to a hospital.

Death of Corporal O’Connor

The fallen trooper was identified as Corporal Timothy J. O’Connor Jr., 40, of Chester County.

He enlisted in the Pennsylvania State Police in September 2010 and had served more than a decade.

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O’Connor worked in Troop J and the Criminal Investigation Unit and was promoted to corporal in July 2022.

Officials, including Gov. Josh Shapiro, immediately acknowledged O’Connor’s death and ordered flags at half-staff while visiting family members at the hospital.

Police shooting investigation

Law enforcement sources described the immediate timeline and the joint investigation.

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A 911 call about an erratic driver prompted the traffic stop, and O'Connor radioed that he was stopping the vehicle before he went silent.

Responding patrols discovered he had been shot.

The Pennsylvania State Police Troop J Major Case Team and the Chester County district attorney's office have joined the probe to determine the circumstances.

Shooting and shooter details

Officials described the shooter as a Chester County resident who fatally shot himself at the scene, and they did not release his name.

WHYY reports the shooter was a 32-year-old Chester County resident who used a semi-automatic pistol.

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The New York TimesThe New York Times

Other outlets similarly noted the assailant died of an apparent self-inflicted gunshot wound after firing at O’Connor.

Tributes and investigation

Local officials and colleagues paid tribute to O’Connor’s service and community role.

He was pronounced dead at the scene

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State leaders ordered flags at half-staff, county officials expressed condolences, and local police highlighted his mentorship of young people through programs such as Camp Cadet.

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The joint investigation is ongoing as the community and law enforcement process the loss.

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