Roy DeMeo: The Butcher
Portrayed in Boss of Bosses (2001) by Michael A. Miranda and in The Iceman: The True Story of a Cold-Blooded Killer (2012) by Ray Liotta.
Roy DeMeo created what would be dubbed the “Gemini Method,” where his victims were dismembered and packaged into boxes.
Source: Reddit
Roy DeMeo was born in New York City to working-class Italian parents in 1940. Just as he graduated high school (which says more for him than others in his profession), he became a loan shark. But it was his time as a butcher’s assistant that introduced him to his true calling.