Richard Kuklinski was a devoted husband, loving father--and ruthless killer of over 100 people. You'll meet him in this powerful documentary that...

For the third time, HBO cameras go inside Trenton State Maximum Security Prison--and inside the mind of one of the most prolific killers in U.S....

Richard Kuklinski was a devoted husband, a loving father...and a ruthless killer. A decade after HBO last visited him in prison, the convicted...