1. Mad Dog Sullivan

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. 13 July 2012. 60 min

Gun-for-hire Joe "Mad Dog" Sullivan tries to hide his criminal activities from his family.

2. Family Secrets

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. 20 July 2012. 60 min

Frank Calabrese Jr., son of mobster Frank Calabrese, flipped against his father, and nearly brought down the vaunted Chicago Outfit.

3. “Mad Sam” DeStefano

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. 27 July 2012. 60 min

One 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.

4. Dutch Schultz

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. 60 min

Dutch Schultz ruled the numbers rackets until mob bosses ordered his murder.

5. The Iceman: Richard Kuklinski

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. 14 August 2012. 60 min

Richard Kuklinski lived a shocking double life; suburban husband and father at home, and brutal contract killer on the streets.

6. Carmine ''The Snake'' Persico

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. 21 August 2012. 60 min

Carmine Persico stands as one of most enduring Godfathers in mafia history.

7. The Grim Reaper: Greg Scarpa

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. 28 August 2012. 60 min

Gregory Scarpa lived a charmed triple life; mafia hit man, loving father and husband, and secret FBI informant.

8. Jimmy "The Gent" Burke

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. 4 September 2012. 60 min

Jimmy Burke was one of the most prolific mob earners in New York history.