The lead investigator of the John Wayne Gacy case spoke at NIU on Wednesday evening. Students crowded in a Neptune Central smart classroom to hear Lt. Joseph Kozenczak speak about his experiences while investigating the serial killer John Wayne Gacy....
The lead investigator of a serial killer case will speak at NIU this week. Lt. Joseph Kozenczak, retired Des Plaines police officer, will talk about his work leading to the arrest of John Wayne Gacy. Gacy was convicted of killing 33 people in the 1970s....
