![](https://image.tmdb.org/t/p/w92/bDR1Av3nE0BWdTrRDLOATQ6cZdM.jpg)
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. history--in this gripping documentary. Mafia hit man Richard Kuklinski freely admits to killing more than …
Richard Kuklinski,
Park Dietz
Added on HBO 2023-06-27, leaving 2024-03-31.