The Mayor of Harlem: Alberto "Alpo" Martinez - Preview: Gangsters: America's Most Evil Full Episodes and Videos

Lethal Beauties: Beltran, Henao & Garcia - Preview

Rosalie Garcia, was the head of a deadly heroin ring in the Bronx throughout the 1990s. Beatriz Henao led an ecstasy drug ring. Sandra Beltran was a Mexican drug cartel leader who smuggled cocaine from Colombia.

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The Queenpin: Jemeker Thompson - Preview

Jemeker Thompson rose to the top of the cocaine trade during the peak of the 1980's crack epidemic in Los Angeles.

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King Blood: Luis Felipe - Preview

From his prison cell, Luis Felipe, aka "King Blood," founded the New York chapter of the Latin Kings street gang. Felipe's own writings would incriminate him as the orchestrator of murders and crimes against his own members.

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Machine Gun Johnny Eng - Preview

Johnny Eng, one of the most notorious drug traffickers in the history of Manhattan's Chinatown, thought he could snitch on all his rivals to monopolize the heroin trade on the eastern seaboard.

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