Richard Kuklinski, also known as the "Iceman," was a notorious American contract killer and organized crime figure who operated from the 1960s through the 1980s. He claimed to have murdered over 100 people, including fellow criminals and innocent bystanders and was known for his brutality and willingness to kill in a variety of ways. Kuklinski was eventually arrested in 1986 and convicted of multiple counts of murder and other crimes, receiving multiple life sentences. He died in prison in 2006.