American Predator: The Hunt for the Most Meticulous Serial Killer of the 21st Century

by Maureen Callahan

FBI: Dark Dreams: Sexual Violence, Homicide, and the Criminal Mind by Roy Hazelwood, and Mindhunter: Inside the FBI’s Elite Serial Crime Unit by John Douglas, in turn the model for Jack Crawford in The Silence of the Lambs.

Hunter, J.T. Devil in the Darkness: The True Story of Serial Killer Israel Keyes, Toronto: RJ Parker Publishing Inc., 2016.