Richard Kuklinski has a family.
Richard Leonard Kuklinski ( April 11 , 1935 -- March 5 , 2006 ) was an American contract killer who was convicted for five murders . During his criminal career , fellow mobsters called Kuklinski `` the one-man army '' or `` the devil himself '' due to his fearsome reputation and imposing physique of 6 ' 5 '' ( 196 cm ) and 270 pounds ( 122 kg ) . Kuklinski lived with his wife and children in the suburb of Dumont , New Jersey . His family was apparently unaware of Kuklinski 's double life and crimes . Kuklinski was a contract killer for Newark 's DeCavalcante crime family and New York City 's Five Families of the American Mafia .