Watch Series: Invisible Monsters: Serial Killers in America Released in (2021) - Season 1 produced by USA, The TV Series categorized in Crime, Documentary, with duration 41 min broadcasted as these networks A&E, Canal+, Streamed at Putlocker Examine the intersecting paths of five of America’s most notorious killers–Ted Bundy, John Wayne Gacy, Jeffrey Dahmer, The Green River Killer and BTK–who all operated during the same period, across two decades. - Season 1