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Patrolman Patrick M. O'Brien | Chicago Police Department, Illinois Chicago Police Department, Illinois


Patrick M. O'Brien

Chicago Police Department, Illinois

End of Watch: Wednesday, August 3, 1881

Bio & Incident Details

Age: Not available

Tour: Not available

Badge # Not available

Cause: Gunfire

Incident Date: 8/1/1881

Weapon: Handgun

Offender: Apprehended

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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.

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Patrolman O'Brien,
On today, the 135th anniversary of your death I would just like to say thank you for your service and sacrifice for the citizens of Chicago. And to your Family and loved ones, I wish to extend my deepest sympathy.


United States Border Patrol
August 3, 2016


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