Lockdown: Inside Brazil's Most Dangerous Prison

Dr Drauzio Varella was born in Sao Paulo and is a noted medical science popularizer and public commentator on issues such as prison conditions, social welfare and his professed atheism and scepticism, as well as the bestselling author of numerous books, for which he has received literary awards including the Premio Jabuti. He is a pioneer of HIV treatment in Brazil, and from 1989 to 2001 he volunteered to work as an unpaid physician in one of the largest jails of Brazil, the Casa de Detencao Carandiru, in order to combat the AIDS epidemic raging among the incarcerated population. He is chairman of the cancer research institute at Universidade Paulista in Sao Paulo and teaches and lectures around the world.