Otto Herrera shares the story of his rise to become Central America's narco middleman.
Whispers of a kingpin known as The Gray Ghost begins to travel around in the mid-2000s.
Insights into a new generation of drug czars, from Don Berna to Paul Leroux.
Don Berna rises from the shadows of Pablo Escobar's Colombian cocaine empire.
Criminal Paul Le Roux wants to become a cocaine kingpin and sets his sights on Australia.
