Human rights group releases interviews with 42 men who 'd been kept at secret prison . The prime minister said the Muthanna facility was not secret , it was publicly known and had seven judges working there . Iraqi prime minister closed prison this month ; group says Iraqi army officers arrested . Score: 7 Detainees say they were blindfolded , hung upside down , sexually abused .
Human rights group releases interviews with 42 men who 'd been kept at secret prison . Iraqi prime minister closed prison this month ; group says Iraqi army officers arrested . Score: 7 Detainees say they were blindfolded , hung upside down , sexually abused .