S4.E1 ∙ Mad Dog SullivanFri, Jul 13, 2012as told predominately told by Joseph Joe "Mad Dog" Sullivan himself from prison is his life story working for the Irish mob as a hit man.7.3/10 (7)Rate
S4.E2 ∙ Family SecretsFri, Jul 20, 2012Frank Calabrese Jr., son of mobster Frank Calabrese, flipped against his father, and nearly brought down the vaunted Chicago Outfit.7.4/10 (7)Rate
Top-ratedS4.E3 ∙ 'Mad Sam' DeStefanoFri, Jul 27, 2012One of the most violent and outrageous characters in mob history, "Mad Sam" DeStefano lived up to his moniker throughout a three-decade reign as a juice loan lender and sadistic enforcer with the notorious Chicago Outfit.7.6/10 (6)Rate
S4.E5 ∙ The Iceman: Richard KuklinskiTue, Aug 14, 2012Richard Kuklinski lived a shocking double life; suburban husband and father at home, and brutal contract killer on the streets.5.8/10 (8)Rate
S4.E7 ∙ Greg the Grim Reaper ScarpaTue, Aug 28, 2012Gregory Scarpa lived a charmed triple life; mafia hit man, loving father and husband, and secret FBI informant.7.5/10 (10)Rate