Robert Hansen

Robert Hansen was a serial killer who was active in the early 1980s, would kidnap women and release them in Alaska's Knik River Valley. He would then hunt them, armed with a knife and a Ruger Mini-14 rifle. When the investigator contacted Federal Bureau of Investigation Special Agent Roy Hazelwood and requested help with a criminal psychological profile, based on the three recovered bodies. Hazelwood thought that the killer would be an experienced hunter with low self-esteem, have a history of being rejected by women and would feel compelled to keep "souvenirs" of his murders, such as a victim's jewelry. He also suggested that the assailant might stutter. Using this profile, he investigated possible suspects until he reached Hansen, who fit the profile and owned a plane.