Chicago Police Department, Illinois
End of Watch Thursday, September 21, 1916
Add to My HeroesJohn L. Bialk
Detective Sergeant John Bialk responded to a domestic dispute call. As he entered the home, Sergeant Bialk confronted the estranged husband. At this time, the husband shot his own wife as well as Sergeant Bialk when he attempted to intervene.
Although wounded, Sergeant Bialk was able to detain his assailant until fellow officers arrived. He succumbed to his injuries three days later.
The suspect was charged in Sergeant Bialk's death as intentional manslaughter but was was acquitted January 9, 1917.
Sergeant Bialk served in the 40th precinct and was survived by his wife and five children.
Bio
- Age 40
- Tour Not available
- Badge 474
Incident Details
- Cause Gunfire
- Incident Date Monday, September 18, 1916
- Weapon Gun; Unknown type
- Offender Not available
Most Recent Reflection
View all 9 ReflectionsNo passage of time will ever erase your service and sacrifice. Rest in peace always.
Detective Cpl/3 Steven Rizzo
Delaware State Police (Retired)
September 21, 2020
Recent LODD Deaths
Corporal Timothy J. O'Connor, Jr.
Pennsylvania State Police, PA
EOW: March 8, 2026
Deputy Sheriff Kaleb Mitchell
Forsyth County Sheriff's Office, NC
EOW: March 7, 2026
Sergeant Kathleen M. Radziunas
Metropolitan Transportation Authority Police Department, NY
EOW: April 30, 2025
Master Trooper Steven J. Perry
North Carolina Highway Patrol, NC
EOW: March 1, 2026
Conservation Enforcement Officer Senior Shawn Nixon
Alabama Department of Conservation and Natural Resources - Wildlife and Freshwater Fisheries, AL
EOW: November 23, 2025
Corporal David M. Hathcock
Montgomery Police Department, AL
EOW: February 22, 2026
Correctional Officer Dustin Pedigo
Tennessee Department of Correction, TN
EOW: February 25, 2026
Deputy Sheriff Michael Hislope
Christian County Sheriff's Office, MO
EOW: February 24, 2026
Deputy Sheriff Gabriel Ramirez
Christian County Sheriff's Office, MO
EOW: February 23, 2026

