Patrolman William E. Hennessy

Patrolman William E. Hennessy

Chicago Police Department, Illinois

End of Watch Monday, August 23, 1920

William E. Hennessy

Officer William Hennessy and his partner were assigned to check on the conduct of patrons in a nightclub. When they arrived, an altercation ensued in which Officer Hennessy's partner was attacked by an offender. When Officer Hennessy rushed to his partner's aid, the offender began to fire a gun. Both Officer Hennessy and his partner, Officer James Mulcahy were fatally wounded.

Two men were arrested and held by the coroner. Both men were indicted in August, 1920; On October 20, 1921, both were acquitted.

One of the suspects died in a horse riding accident in 1923 and the other suspect died in 1939.


  • Age Not available
  • Tour Not available
  • Badge 2461

Incident Details

  • Cause Gunfire
  • Weapon Gun; Unknown type
  • Offender Acquitted

Most Recent Reflection

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To fully appreciate the heroes of the present, we must recognize our heroes of the past. Your heroism and service is honored today, the 93rd anniversary year of your death. I am priviliged to leave a tribute to you. Your memory lives and you continue to inspire. Thank you for your service. My cherished son Larry Lasater was a fellow police officer who was murdered in the line of duty on April 24, 2005 while serving as a Pittsburg, CA police officer.

Time never diminishes respect. Your memory will always be honored and revered. Rest In Peace.

Phyllis Lasater Loya
mom of fallen Pittsburg (CA) officer Larry Lasater

April 11, 2013

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