Officer Steven Hasenstab died on August 19th, 1989, at Froedtert Hospital from injuries sustained in a crash on August 8th, at N. 27th Street and W. Vine Street, while in pursuit of a stolen vehicle.

Officer Hasenstab was a 1979 graduate of the University of Wisconsin-Oshkosh where he studied law enforcement. He was 33 years old at the time of his death and he left behind a wife and daughter.