Known as the 'Merchant of Death,' the world's foremost arms dealer, Viktor Bout, was both Public Enemy number one to the global intelligence agencies and a ruthless criminal worth around six billion dollars. For years Bout had eluded capture; Bout appeared utterly untouchable. Step forward former SAS man Mike Snow. After serving in the Regiment, Snow had worked as a bush pilot in Africa, where he'd got to know Bout well. Snow was approached by the US Drugs Enforcement Agency, who had one question for him: was Snow able to get to Viktor Bout? This is the incredible true story of Operation Relentless, the top-secret mission to entrap Viktor Bout.