Preview Method of a Serial Killer: Israel Keyes' "Kill Kits" oxygen Insider Exclusive! Create a free profile to get unlimited access to exclusive videos, sweepstakes, and more! Sign Up for Free to View Method of a Serial Killer: Israel Keyes' "Kill Kits" Listen to detectives describe the disturbing "kill kits" made by Israel Keyes, sometimes years in advance of his alleged murders. Watch the Full Episode
