Patrolman James J. Casey
Chicago Police Department, IL
EOW: Wednesday, July 1, 1931
Cause of Death: Gunfire
Patrolman Edward M. O'Donnell
Chicago Police Department, IL
EOW: Tuesday, June 9, 1931
Cause of Death: Gunfire
Sergeant John Cronin
Chicago Police Department, IL
EOW: Wednesday, June 3, 1931
Cause of Death: Struck by vehicle
Patrolman Edward F. Smith
Chicago Police Department, IL
EOW: Saturday, May 30, 1931
Cause of Death: Gunfire
Patrolman Patrick Durkin
Chicago Police Department, IL
EOW: Saturday, May 2, 1931
Cause of Death: Gunfire
Patrolman Anthony L. Ruthy
Chicago Police Department, IL
EOW: Thursday, April 30, 1931
Cause of Death: Gunfire
Special Agent Archibald D. Brandon
Chicago, Rock Island and Pacific Railway Police Department, RR
EOW: Sunday, April 19, 1931
Cause of Death: Gunfire
Location: Kansas
Patrolman Harry William Fielder
Chicago Police Department, IL
EOW: Tuesday, April 14, 1931
Cause of Death: Struck by vehicle
Patrolman Patrick J. Gallagher
Chicago Police Department, IL
EOW: Tuesday, April 14, 1931
Cause of Death: Gunfire
Sergeant Patrick J. Costello
Chicago Police Department, IL
EOW: Friday, April 3, 1931
Cause of Death: Fall
Patrolman Nicholas John Malambri
Chicago and Northwestern Railroad Police Department, RR
EOW: Sunday, January 11, 1931
Cause of Death: Gunfire
Location: Illinois
Patrolman John Vondruska
Chicago Police Department, IL
EOW: Thursday, January 1, 1931
Cause of Death: Gunfire
Patrolman Raymond Kavanagh
Chicago Police Department, IL
EOW: Thursday, December 18, 1930
Cause of Death: Motorcycle crash
Patrolman James S. Corcoran
Chicago Police Department, IL
EOW: Tuesday, November 25, 1930
Cause of Death: Gunfire
Patrolman Hubert J. Dillon
Chicago Police Department, IL
EOW: Tuesday, November 25, 1930
Cause of Death: Gunfire
Sergeant Michael R. Twohig
Chicago Police Department, IL
EOW: Tuesday, November 4, 1930
Cause of Death: Heart attack
Patrolman Joseph M. Fitzpatrick
Chicago Police Department, IL
EOW: Saturday, October 25, 1930
Cause of Death: Gunfire
Patrolman William P. Rumbler
Chicago Police Department, IL
EOW: Sunday, October 12, 1930
Cause of Death: Gunfire
Patrolman William I. McCann
Chicago Police Department, IL
EOW: Tuesday, September 16, 1930
Cause of Death: Gunfire
Patrolman John J. Guiltanane
Chicago Police Department, IL
EOW: Friday, July 18, 1930
Cause of Death: Gunfire
Patrolman George R. Neil
Chicago Police Department, IL
EOW: Thursday, May 22, 1930
Cause of Death: Gunfire
Patrolman John J. Ryan
Chicago Police Department, IL
EOW: Monday, February 24, 1930
Cause of Death: Gunfire
Patrolman Louis C. Szewczyk
Chicago Police Department, IL
EOW: Monday, January 27, 1930
Cause of Death: Gunfire
Patrolman Jerry E. Murphy
Chicago Police Department, IL
EOW: Tuesday, January 14, 1930
Cause of Death: Gunfire
Patrolman Michael T. Langan
Chicago Police Department, IL
EOW: Monday, December 30, 1929
Cause of Death: Gunfire