Kuklinski's upbringing could not have been conceived more perfectly to create a sociopath.
He was continually beaten by an alcoholic father, and also by his mother when the father was not home (he had a brother who was also a sociopath and killer). And sociopath does qualify as a mental disorder, yes. It does not excuse or exonerate him, but it does explain him.
The Iceman is a 2012 movie starring Michael Shannon, Winona Ryder and Chris Evans. It is the true story of Richard Kuklinski who was a notorious contract killer.
Joseph Kuklinski was older brother to Richard.
Richard Kuklinski was a 'mob' killer. Born April, 4, 1935, died March 5, 2006, he was part of Newark's DeCavalcante crime famlly and NYC's Five Families.
This serial killer's real name was Richard Kuklinski. Kuklinski liked to keep his victims refrigerated to slow decomposition and throw off the time of death to confuse the police. With forensics as advanced as they are now it is hard to fool science.
The Iceman Tapes Conversations with a Killer - 1992 TV was released on: USA: 1992
Iceman is a term used for someone who sells or delivers ice. The slang meaning of iceman is hired killer.
America Undercover - 1986 The Iceman Tapes Conversations with a Killer was released on: USA: 7 April 1992
It can be anything mental or peronality disorder
Serial killer Richard Ramirez is of Mexican descent.
Exploration with Richard Wiese - 2005 The Playful Killer was released on: USA: 2005
In addition to be a murderous insane person, he clearly dealt with Gender Identity Disorder.
Info about serial killer Richard Ramirez a.k.a "Night Stalker" can be found at the Crime Library website http://www.crimelibrary.com