BBC ONE/DISCOVERY
Hidden away in the very darkest corners of countries that would rather not acknowledge their existence, there is an army of children Children are tortured in police custody. They are held in prisons in inhuman and degrading conditions. They are denied the due process which should guarantee them fair trials. They are sentenced without ever seeing a courtroom. They are held for years without charge. They are housed with adult prisoners who sexually abuse them. They are beaten by sadistic guards. They are sentenced to death. They are forgotten by the world that walks past the bars of their existence.

With unprecedented and unique access to juvenile prisons around the world, this film looks at the experience of incarceration for juvenile offenders in countries as diverse as the USA and India, the UK and Brazil.