In October, 1984 39 year old Paul Cosner vanished from his San Francisco home. His sister Sharon quickly embarked on a tireless search to find him. This search lead to uncovering one of the deadliest serial killing sprees in US history. It's a tale that is beyond terrifying, and yet, you probably have never heard anything about it.  LOOKING FOR MORE TCO? On our Patreon feed, you'll find over 400 FULL AD-FREE BONUS episodes to BINGE RIGHT NOW! Including our episode-by-episode coverage of "House of Haammer" "Trainwreck: Woodstock '99," "Bad Vegan" "LuLaRich" "John Wayne Gacy: Devil in Disguise" "Night Stalker" "The Jinx," "Making A Murderer," "The Staircase," "I'll Be Gone in the Dark," "A Wilderness of Error" "The Vow"  "Tiger King" "Don't F**K With Cats," "The Menendez Murders," "The Murder of Laci Peterson," "Casey Anthony: American Murder Mystery," "Serial," "Lorena," "The Disappearance of Madeleine McCann," "OJ: Made in America" and so many more! JOIN HERE!