Ross Kemp heads to New York, discovering the connection between USA and Britain in the rise of the mafia - as well as learning about the infamous Kray twins.
Ross sees just how prevalent cocaine is in Colombia as he joins an army raid, before meeting the son of Gilberto Rodriguez - a founder of the Cali Cartel.
When a century-old extradition treaty between Britain and Spain ended in 1978, the Spanish Coast became a safe haven for the mafia and criminal masterminds.