19: The Myth, The Man, The Legend: EXCLUSIVE Interview With The Undercover Officer Behind The Netflix Hit

He spent 10 years living as someone else. He infiltrated heroin gangs, cocaine cartels and cannabis networks. Now, thanks to a hit Netflix drama, the world is finally getting to know one of Britain's most extraordinary undercover officers. “Guy” talks to Narco Warriors about the art of the “legend”, the golden rules of undercover work, and the operations that took him from the streets of West London, to meeting Pablo Escobar's cousin, via a boat that sank in the English Channel.His unbelievable story is also chronicled in The Betrayer: How An Undercover Unit Infiltrated The Global Drug Trade, written by Guy and Peter Walsh, which inspired Legends. These are the Narco Warriors.New episodes drop every Monday morning.