Adam Hinton
Enter the prison that even guards fear to go into (pics)
Some top security prisons are so dangerous that even the guards dare not enter. The ‘Penas Ciudad Barrios’ is a maximum security prison in El Salvador, but unlike other corrective facilities this is off limits for the authorities. It is run by the notorious ‘Mara Salvatrucha’ gang, infamous for its merciless revenge and cruel retribution.