Inside Brazilās toughest jails where inmates rule: Prisons where top dog āchaveirosā sell crack cocaine, charge taxes, gang rape, murder rivals and even have their own keys
WARNING: GRAPHIC CONTENT
Prisons in Brazil run most violent offenders as 'chaveiros' - or 'keyholders'
Chaveiros sell crack cocaine to inmates and make them pay a weekly 'tax'
They have henchmen who beat up or kill the inmates who owe them money
Chaveiros live in luxury with private cells, TVs, fridges, fans and bathrooms, employ personal servants, known as 'chegados'
Inmate had plastic bag put over his head, hands tied behind his back and was raped
Read more: The Brazilian prison where the inmates are in control