When a Killer Calls: A Haunting Story of Murder, Criminal Profiling, and Justice in a Small Town (Cases of the FBI's Original Mindhunter, #2)

by John E. Douglas

For example, given our expectation that the UNSUB would have a collection of pornography focused on bondage and sadomasochism, we advised that if they identified a suspect, this was something they could include in a search warrant application.