Tales from inside Peru's cocaine valley

A fifth of the world’s cocaine is produced in one valley. Controlled in part by Shining Path Maoist guerillas, Peru’s poorest region, the Valle de los Ríos Apurímac, Ene y Mantaro, is ungovernable and the drug trade flourishes. We gain exclusive access to hear the coca growers, the cocaine cooks in their secret jungle labs, dealers and their ‘mules’ explain the business and its effects