Why does someone become a cold-blooded killer? In an effort to face the truth about his condition, Richard Kuklinski agrees to face off with one of the world's top psychiatrists, Dr. Park Dietz. Filled with more never-before-revealed confessions, it's the most chillingly candid Iceman special yet. An America Undercover Special

Richard Kuklinski, a.k.a. The Iceman is a former hit man who's admitted to killing over 200 people. Through exclusive footage of Kuklinski taped inside Trenton State Prison (where he was serving two consecutive life sentences for multiple homicide), plus conversations with Kuklinski's wife and the law enforcement officials who hunted him down, this documentary provides an unsettling profile of one of the most dangerous killers in American history: a remorseless, meticulous predator whose only regret in a 30-year career as a hit man was hurting my family.

Devoted husband. Loving father. Ruthless killer. Richard Kuklinski is a convicted murderer who has freely admitted to killing over 200 people in cold blood. In 2001 - a decade since HBO last visited him in prison - The Iceman Confesses takes viewers back inside his cold, calculating mind for never-before-heard confessions from the notorious Iceman.