East St. Louis Police Department
End of Watch: Tuesday, April 1, 1919
Tour of Duty: 7 years
Badge Number: Not available
Cause of Death: Gunfire
Date of Incident: Tuesday, April 1, 1919
Weapon Used: Gun; Unknown type
Suspect Info: Not available
Patrolman O'Brien was shot and killed while attempting to question a man at a local bar. Patrolman O'Brien observed the man, who was a known criminal, inside the bar and asked him to meet out front for further questioning. When the man failed to follow him outside Patrolman O'Brien re-entered the bar and was told the man had fled out the rear door. As Patrolman O'Brien exited the rear door in pursuit he was shot in the head and killed.
Patrolman O'Brien had been with the agency for 7 years. He was survived by his expectant wife and two children. His third child was born one week after his murder.
From the ODMP.