S33 E2: Something Monstrous | Calls From a Killer
S33 E1: The Olson Tapes | Calls From a Killer
Clifford Olson Jr.
True Crime All The TimeSERIAL KILLER: "The Dark Strangler" Pt. 2
Serial Killers & Murderous Minds“The Beast of British Columbia” Pt. 2 - Clifford Robert Olson Jr.
Killer Stories with Harvey Guillén