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Bill Noguera gets a written confession from serial killer Joseph Naso, cracking open another cold case from his list of 10; Detective Mains uncovers more potential victims from an infamous case in New York.

Death Row Confidential: Secrets of a Serial Killer

The Cop & the Convict

Retired detective Ken Mains and inmate Bill Noguera uncover new details about serial killer Joseph Naso, who posed as a pro baseball team's photographer to hunt women and may have gone on a killing spree in Sin City.

Husband, Father... Serial Killer

Retired Detective Ken Mains teams up with an inmate on death row to expose the secrets of unknown serial killer Joseph Naso: while bringing closure to a victim's family, Ken uncovers that Naso likely killed many more women than police ever thought.

Unmasking Naso

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Convicted of killing four women, a death row inmate confessed 20+ more murders to his cellmate; with 300 pages of details, ex-FBI agent Ken Mains works to uncover victims, bring closure, and expose one of America's most prolific serial killers.

S1 E2 | Husband, Father... Serial Killer

E3 | The Cop & the Convict

E2 | Husband, Father... Serial Killer

E1 | Unmasking Naso