If there was to be one word in Arabic to describe Hell on earth, perhaps it would be Alradwania. For at the prison there, men turned into monsters. They unleashed terror and suffering on an unimaginable scale. Hell is a mythical concept in religion, but the pain and death endured by the captives at this Baghdad prison was very much of this earth. Countless thousands of ordinary Iraqis were taken from their homes or picked up off the streets and thrown into Alradwania Prison in 1991. Most met a hideous death, the lucky ones were executed. A few survived, seemingly against all odds, but of the...