These are the exclusive confession tapes of what could be America's most prolific serial killer. Samuel Little claims he killed at least 90 women over 40 years in the United States - and says he got away with it because he targeted vulnerable women that nobody cared about. | Dispatches - Channel 4

Beginning in 2004, Detective Robert Anzilotti gained the trust of convicted serial killer, Richard Cottingham, leading to several explosive confessions regarding previously unsolved murders from decades past – all recorded on tape and played for the first time ever during A&E's chilling two-part special, The Torso Killer Confessions, starting TONIGHT at 9p/8c. | Crime & Investigation on A&E