A US soldier in a flak jacket appears to be using both hands to restrain a dog facing an Iraqi detainee in the Abu Ghraib prison. The photo is one of the hundreds of unreleased pictures and videos that display techniques not seen in earlier images of prison abuse. (China Daily/Washingtonpost.com)

In what appears to be a hallway, a hooded detainee, seems to be handcuffed in an awkward position atop two boxes. The frame seems to show the prisoner's ankle cuffed to the door handle behind him. (China Daily/Washingtonpost.com)