Gangsters: America's Most Evil

The federal government seeks the death penalty for convicted murderer and drug kingpin Juan Raul Garza, who made millions of dollars smuggling marijuana into the United States from Mexico.

Bowman, as international president of the Outlaws Motorcycle Club, ordered kidnappings, fire bombings, assaults and murders.

Griselda Blanco is suspected of scores of murders while transporting cocaine from Colombia to the United States.

The rise and fall of Albert "Alpo" Martinez, dubbed the "Mayor of Harlem."

Johnny Eng, one of the most notorious drug traffickers in the history of Manhattan's Chinatown.

From a prison cell, Felipe founded the New York chapter of the Latin Kings street gang; Felipe's own writings would incriminate him.

Anthony Shea, one of the most prolific bank and armored truck robbers.

Thompson rose to the top of the cocaine trade; she was released from prison in 2005 and is now an evangelical minister.

Garcia was the head of a deadly heroin ring in the Bronx; Henao led an ecstasy drug ring out of the Netherlands; Sandra Avila Beltran was a Mexican drug cartel leader.