Authorities said the driver opened fire as Corporal Timothy O’Connor approached the vehicle, then killed himself moments later.
PAOLI, PA — A Pennsylvania State Police corporal was shot and killed during a traffic stop in Chester County on Sunday night after responding to a report of an erratic driver, and the driver later died by suicide, authorities said.
The killing of Corporal Timothy O’Connor Jr., a 40-year-old, 15-year veteran of the state police, has shaken law enforcement across Pennsylvania and renewed focus on the danger officers face during even routine roadside stops. Investigators from the state police major case team and the Chester County District Attorney’s Office are now trying to piece together what led 32-year-old Jesse Nathan Elks of Honey Brook to open fire. Gov. Josh Shapiro has ordered flags at half-staff, and state police said O’Connor is the 105th member of the agency to die in the line of duty.
Authorities said the chain of events began shortly after 8 p.m. Sunday, March 8, when O’Connor was dispatched to check a report of an erratic driver in the Honey Brook area of Chester County. State police said he located the vehicle within minutes after the call came in near Walnut Road and Compass Road, then initiated a stop at about 8:24 p.m. near Route 10 and Michael Road in West Caln Township. Lt. Col. George Bivens, the acting commissioner of the Pennsylvania State Police, said O’Connor radioed that he was making the stop, then went quiet. “That is the last we heard from Corporal O’Connor,” Bivens said at an early Monday briefing. When backup troopers were sent to check on him, Bivens said, they found what he called “a very bad situation.” Investigators said the driver fired from inside the vehicle as O’Connor approached on the driver’s side.
Police identified the driver as Elks, 32, of Honey Brook. According to state police, he got out of the vehicle after the shooting, walked a short distance and fatally shot himself with a semi-automatic pistol. He was pronounced dead at the scene. O’Connor was taken to Paoli Hospital, where he was pronounced dead. Authorities have not publicly said how many shots were fired, whether any dash camera or body camera footage exists, or whether Elks had prior contact with law enforcement earlier that night. Chester County District Attorney Christopher de Barrena-Sarobe said investigators will examine Elks’ background and possible motive. Officials also have not said whether Elks made any statement during the stop. Those unanswered questions now sit at the center of the case, even as the broad outline of the encounter appears settled: a trooper responding to a traffic complaint was killed before he could complete a roadside investigation.
State police released more details about O’Connor’s career on Monday as colleagues and elected officials publicly mourned him. He enlisted in September 2010 as a member of the 131st cadet class and was first assigned to Troop J in Avondale. In October 2016, he joined the Criminal Investigation Unit. He transferred to Troop J in Embreeville in March 2022 and was promoted to corporal in July 2022, remaining there afterward. He spent all 15 years of his state police service with Troop J, according to local reports and the agency. O’Connor was married and leaves behind his wife, Casey, and a young daughter. Bivens said people across the department described him in deeply personal terms as well as professional ones. “Anybody you talk to tells you what a great guy he was,” Bivens said. For troopers in southeastern Pennsylvania, his death landed not as a distant headline but as the loss of a co-worker, investigator and daily presence.
The location of the shooting underscored how fast a traffic stop can turn deadly. West Caln Township sits in western Chester County, roughly 45 miles west of Philadelphia, in an area of winding roads, scattered homes and patches of farmland. State police said O’Connor had responded to reports that the driver was acting erratically before the stop. That kind of call is common and often ends with a warning, a citation or a driving-under-the-influence investigation. Instead, this one ended in seconds. Neighbor Patricia Bransford told WGAL she heard gunshots and then sirens near her home. She said gunfire can sometimes be heard in the area because of hunting, and that made the sound less immediately alarming than it would have been otherwise. By Monday, mourners had begun leaving flowers and flags outside the Embreeville station where O’Connor had served in recent years, turning the barracks entrance into an informal memorial.
Public officials moved quickly to honor O’Connor while the criminal investigation shifted into a death inquiry because the suspected gunman was also dead. Shapiro went to Paoli Hospital on Sunday night and said he met with O’Connor’s wife and parents there. At the Monday news conference, the governor said there were still many unanswered questions but one fact was clear: O’Connor “was a hero and he died protecting others.” The governor later ordered U.S. and commonwealth flags on state property to fly at half-staff. A state flag notice said the order will remain in effect until the date of interment, March 18. The Pennsylvania State Troopers Association and the Fraternal Order of Police’s Pennsylvania lodge also issued statements mourning O’Connor and calling attention to the danger of roadside enforcement work. With the suspected shooter dead, the next formal steps are expected to center on forensic testing, background investigation, timeline reconstruction and funeral honors for the fallen corporal.
There was grief in nearly every public statement released Monday, but also an effort to define O’Connor by more than the way he died. State police said he became the 105th member of the agency to make the “ultimate sacrifice” in the line of duty. De Barrena-Sarobe, the county’s district attorney, called him “a distinguished protector of the Chester County community.” Outside the barracks, residents dropped off flowers, food and small tributes for troopers working through the shock. The image of a patrol car marked by memorial items became one of the early symbols of the loss. Even before funeral plans were fully public, the broad outline of the response was taking shape: a law enforcement community in mourning, a state investigation focused on motive and sequence, and a family suddenly left to carry the weight of a death that began with an ordinary radio call about an erratic driver on a Sunday night.
As of Tuesday, investigators had publicly identified both men and outlined the basic timeline, but they had not said what prompted the gunfire or released additional evidence. The next major date is March 18, when flags are set to remain at half-staff through O’Connor’s interment.
Author note: Last updated March 10, 2026.