This episode features the rise and fall of Johnny Eng, one of the most notorious drug traffickers in the history of Manhattan's Chinatown. A one-time informant for the DEA, "Machine Gun Johnny" thought he could snitch on all his rivals to monopolize the heroin trade on the eastern seaboard. The special task force set up by the DEA would chase Eng all the way to Hong Kong. Eventually extradited to the U.S., Eng would hire John Gotti's lawyer to defend him against a prosecutor known as "The Dragon Lady."
This episode explores the case of Luis Felipe, also known as "King Blood." From a prison cell, Felipe 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. He is now serving a life sentence in solitary confinement.
Lucrezia Borgia was an Italian noblewoman and daughter of Pope Alexander VI. A notorious reputation precedes her, and she is inextricably, and perhaps unfairly, linked to the crimes and debauchery of her family.
American actress Melissa Joan Hart starred on the television shows Clarissa Explains It All and Sabrina the Teenage Witch, and began performing on the TV series Melissa & Joey in 2010.
Kourtney Kardashian, sister of Kim Kardashian, has starred in the reality TV show Keeping Up with the Kardashians and its spin-offs with boyfriend Scott Disick.
Charles Townshend, 2nd Viscount Townshend of Raynham, was an 18th century British secretary of state who became known as "Turnip Townshend" for his agricultural innovations.