Chicago Police Department, Illinois
End of Watch: Thursday, March 24, 1966
Age: 41
Tour of Duty: 11 years
Badge Number: Not available
Cause of Death: Automobile crash
Date of Incident: March 24, 1966
Weapon Used: Not available
Suspect Info: Not available
Detective Ralph C. Dunn was killed when his police car struck a guard rail on the Stevenson Expressway near S. Cicero Avenue.
Detective Dunn was a WWII veteran. He had served with the Chicago Police Department for 11 years and was assigned to the Criminal Intelligence Unit. He was survived by his wife, three children, and father.