Patrolman Patrick M. O'Brien
Chicago Police Department
Illinois
End of Watch: Wednesday, August 3, 1881
Cause: Gunfire

Biographical Info
Age: Not available
Tour of Duty: Not available
Badge Number: Not available

Officer Patrick O'Brien was shot and mortally wounded and another officer was seriously wounded as they assisted in the arrest of a man who shot at a citizen. The shooter barricaded himself inside his home at 42 Rebecca Street. After Officer O'Brien demanded entry, the assailant opened fire with a revolver through a crack in the door, wounding both officers. Officer O'Brien died two days later. Other officers returned fire seriously wounding the suspect.