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How does a barber's son from Brooklyn become king of the Chicago underworld? Infamous gangster Al Capone offers a lesson in unlocking your own potential.

Ready to earn street cred and protect your profits? Follow heroin kingpin Frank Lucas' cutting-edge business plan to make sure your crimes do pay.

Master the art of fear and steamroll your rivals by retracing Salvatore "Totò" Riina's blood-soaked rise through the ranks of the Sicilian Mafia.

For a lesson in what not to do, look no further than John Gotti, "The Dapper Don" who flashed his ill-gotten wealth and orchestrated his own downfall.

Cover your tracks and play the long game by studying Whitey Bulger, Boston's most notorious — and successful — criminal, who spent 16 years on the run.

Drug lord. Narcoterrorist. Politician. Pablo Escobar reached a level of fame and power most criminals could only dream of. Here's how he did it.