Gangsters Owney "Killer" Madden and John "Red" Hamilton led similar lives that ended quite differently.

Episode 1, Prohibition

Factual

A look at how Irish gangsters changed the face of organized crime in the US.

In this episode Mickey Spillane, known as the last of the gentleman gangsters, and Westies leader Jimmy Coonan

This episode profiles two gangsters, Danny Greene, known as the Celtic Warrior and Jimmy "The Gent'' Burke.

The West End Gang who were led by Frank "Dunie'' Ryan and the Stopwatch Gang are profiled in this documentary.

Brian O'Dea tells his story about being a dealer before becoming the largest Cannabis importer into Canada.

A deathbed confession from Frank 'the Irishman' Sheeran and James "Whitey" Bulger, America's most wanted.