Episode list

Notorious gangsters Owner "Killer" Madden and John "Red" Hamilton, who led similar lives that ended quite differently.

Mickey Spillane, known as "the last of the gentleman gangsters,' and Jimmy Coonan, who led the much-feared Westies.

Danny Greene, known as the Celtic Warrior, ran a criminal empire in Cleveland and took on the might of the Italian mob with no fear at all. Jimmy "The Gent" Burke, an influential associate of the Lucchese crime family, was the basis for Robert DeNiro's character in the film Goodfellas.

Based in Canada the Stopwatch Gang got their name form the FBI as it's leader always wore a stopwatch around his neck and all bank robberies lasted no more than 90 seconds. The West End Gang were led by Frank "Dunie" Ryan and were (still are) Montreal's most notorious criminal organization. Ryan started out as a petty criminal and served 6 years of a 15 year sentence in prison.

Pat Nee started out together with James 'Whitey' Bulger in the Winter Hill gang in South Boston but as Whitey started to introduce drugs to the community Nee tried to stop it and eventually they parted ways and became arch enemies. Brian O Dea tells his own incredible story first as a hash dealer with small time deals before becoming the largest Cannabis importer into Canada.

In a deathbed confession, Frank "The Irishman" Sheeran revealed his role in one of the great unsolved mysteries of the 20th century - who killed Jimmy Hoffa? James "Whitey" Bulger was America's most wanted until his arrest in June 2011 in Santa Monica and only Osama bin Laden was sought more than him.