The article mentions previous reports of conditions in Guantanamo:
One man of 90 claims he was used as a hostage and kept alive on a drip so that younger suspects could see him suffering. He was there for eight months and believed he would die.
A fellow inmate told of “crucifixion” punishments, beatings to the soles of the feet and reported that some detainees were forced to stand among practice targets on the shooting range.
It will be interesting to see how the Briton being interviewed was treated…