2. The Gray Ghost

Whispers of a kingpin known as The Gray Ghost begins to travel around in the mid-2000s.

3. Breaking Borders

Insights into a new generation of drug czars, from Don Berna to Paul Leroux.

4. Escobar's Successor

Don Berna rises from the shadows of Pablo Escobar's Colombian cocaine empire.

5. Super Villain

Criminal Paul Le Roux wants to become a cocaine kingpin and sets his sights on Australia.

6. The Phantom

Insights into a new generation of drug czars, from Don Berna to Paul Leroux.