How was serial killer john wayne gacy caught the new detectives real responders 22:51 Hunt For John Wayne Gacy - Psychic Helps Catch Serial Killer | Psychic Investigators 51:53 Serial Killer Impersonates Police Officer To Lure Victims | The New Detectives | Real Responders 3:05:57 To Catch a Killer (1992, TV Movie About John Wayne Gacy) 1:05:28 The Life & Crimes Of John Wayne Gacy 42:52 John Wayne Gacy Documentary - FULL 2:37:18 Mind Hunters, Obsession & Cold Cases | TRIPLE EPISODE | The New Detectives 25:05 Youngest Serial Killers In The World 50:25 Serial Killer Dentist: Glennon Engleman's Shocking Story | FBI Files Movie of the Week | Real Crime 36:18 How These Sneaky Serial Killers Finally Got Caught 1:44:17 Psychological Profiling | DOUBLE EPISODE | The New Detectives 45:36 Serial Killer - John Wayne Gacy - GREAT DOCUMENTARY 42:48 BTK: Catching One Of The Most Infamous Serial Killers | World’s Most Evil Killers | Real Crime 41:14 Serial Killer Documentary: John Wayne Glover (The Granny Killer) 52:10 The Terror Of The Hillside Stranglers In Los Angeles | The New Detectives | Real Responders 3:37:36 The 5 Worst Serial Killers In American History | World's Most Evil Killers | Absolute Crime 1:49:23 Did Notorious Serial Killer John Wayne Gacy Have Accomplices & More Victims? 2:02:40 Psychics Help Uncover Countless Crimes | Psychic Investigators | MARATHON | Curious?: True Heroes 24:44 A Psychic Catches A Killer! | Psychic Investigators | Full Episode 1:08:18 The 6 Most Famous Evil Killers In History | World's Most Evil Killers 42:50 Dahmer: The Blood Curling Story Of The Milwaukee Cannibal | World’s Most Evil Killers | Real Crime More results