Cook County Sheriff's Office - Department of Court Services, Illinois
End of Watch Monday, December 25, 1967
Add to My HeroesFrank Earl Dannenberg
Deputy Frank Dannenberg succumbed to injuries suffered three days earlier when he was attacked and beaten after serving an eviction notice.
Deputy Dannenberg was preparing to leave Cabrini-Green, a public housing project of the Chicago Housing Authority at 1160 North Sedgwick Street, when the attack occurred. He was found with severe head injuries and taken to Henrotin Hospital where he remained until he died from those injuries three days later.
The suspect stole his service weapon and wallet and then fled.
Deputy Dannenberg had served with the Cook County Sheriff's Office for only nine months. He was survived by his wife, daughter and three grandchildren.
Bio
- Age 67
- Tour 9 months
- Badge Not available
Incident Details
- Cause Assault
- Incident Date Friday, December 22, 1967
- Weapon Person
- Offender Not available
Most Recent Reflection
View all 7 ReflectionsRest In Peace Brother. After 50 years you are not forgotten.
Officer Mike Robinson, (Ret)
Upland Police Dept. CA
December 25, 2017
Recent LODD Deaths
Detective Timothy Jones
Park Forest Police Department, IL
EOW: December 3, 2025
Specialist Sarah Beckstrom
United States Department of Defense - Army National Guard - West Virginia Army National Guard, WV
EOW: November 27, 2025
Reserve Deputy Sheriff John C. Stahl, III
Jefferson County Sheriff's Office, IN
EOW: June 8, 2025
Sergeant Terri Jean Sweeting-Mashkow
Indian River County Sheriff's Office, FL
EOW: November 21, 2025
Police Officer Alec Sanders
Alhambra Police Department, CA
EOW: November 20, 2025
Corrections Officer Jeremy Lewis Hall
Virginia Department of Corrections, VA
EOW: November 17, 2025
Police Officer Marc Brock
Vivian Police Department, LA
EOW: November 14, 2025
Corporal Blake Adair Reynolds
Delaware County Sheriff's Office, IN
EOW: November 12, 2025
Police Officer Roger Smith
WakeMed Campus Police & Public Safety Department, NC
EOW: November 8, 2025

