Patrolman Harold F. Olsen

Patrolman Harold F. Olsen

Chicago Police Department, Illinois

End of Watch Saturday, June 13, 1925

Harold F. Olsen

Patrolman Harold Olsen and Patrolman Charles Walsh were shot and killed while chasing three mobsters who had just attempted to assassinate one of their rivals. The car carrying the assailants crashed in the 5900 block of South Western Avenue. As the three men exited the car, they opened fire on the officers with shotguns.

Patrolmen Olsen and Walsh were fatally wounded and a third patrolman was seriously wounded. A fourth officer returned fire, killing one of the killers. The officer also chased and apprehended the remaining two gunmen.

The two gunmen were acquitted by a jury but later murdered by Al Capone in 1929. The two men were hitmen for Al Capone when they murdered Patrolman Olsen and Patrolman Walsh.

Patrolman Olsen had served with the Chicago Police Department for almost three years and was assigned to the Detective Division Ford Squad 8 C. He was survived by his mother and five brothers.

Bio

  • Age 25
  • Tour 2 years, 8 months
  • Badge 2911

Incident Details

  • Cause Gunfire
  • Weapon Shotgun
  • Offender One shot and killed; Two apprehended

Most Recent Reflection

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My grandfather (Detective William Sweeney) was the officer who returned fire killing Mike “The Devil” Genna and arresting the hit men (murdering savages) Scalise and Anselmi whom Capone would later kill with a baseball bat at a black tie dinner. A Hollywood version of this killing is in the movie “The Untouchables”.

RIP officers Walsh and Olsen! My grandfather was bribed ($25,000) and when this was refused his apartment bombed but he testified nonetheless in order to see justice for these two fallen officers but Capone’s bribing of the jurists allowed the killers to go free.

Detective William Sweeney Grandson
Grandson to Detective William Sweeney

March 11, 2018

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