Garza made millions running drugs across "Marijuana Boulevard," the Gateway bridge linking Mexico and the U.S. He became the first felon targeted for death by the federal government in more than 30 years.
Griselda Blanco, "The Godmother," is suspected of scores of murders while transporting cocaine from Colombia to New York, Miami, and Southern California.
This episode profiles the rise and fall of Albert "Alpo" Martinez, dubbed the Mayor of Harlem. Alpo would admit to killing his old friend and 13 other murders and is now serving hard time for his crimes.