In this undated photo released by Habib Rahman, Gul Rahman is shown. Gul Rahman died in the early hours of Nov. 20, 2002, after being shackled to a cold concrete wall in a secret CIA prison in northern Kabul, Afghanistan, known as the Salt Pit. He was suspected of links to the terrorist group al-Qaida. Rahman is the only detainee known to have died in a CIA-run prison. The Justice Department announced Thursday, Aug. 30, 2012, it has closed an inquiry into CIA interrogations of terrorist detainees without bringing criminal charges. Thursday's decision, in the probes of the deaths of two terrorist suspects, including Rahman, marks the end of a wide-ranging criminal investigation by federal prosecutor John Durham into interrogation practices during the presidency of George W. Bush. In the past three years, Durham has looked into the treatment of 101 detainees in U.S. custody since the Sept. 11, 2001, terrorist attacks.(AP Photo/Habib Rahman, Ho) NO SALES

Associated Press
In this undated photo released by Habib Rahman, Gul Rahman is shown. Gul Rahman died in the early hours of Nov. 20, 2002, after being shackled to a cold concrete wall in a secret CIA prison in northern Kabul, Afghanistan, known as the Salt Pit. He was suspected of links to the terrorist group al-Qaida. Rahman is the only detainee known to have died in a CIA-run prison. The Justice Department announced Thursday, Aug. 30, 2012, it has closed an inquiry into CIA interrogations of terrorist detainees without bringing criminal charges. Thursday's decision, in the probes of the deaths of two terrorist suspects, including Rahman, marks the end of a wide-ranging criminal investigation by federal prosecutor John Durham into interrogation practices during the presidency of George W. Bush. In the past three years, Durham has looked into the treatment of 101 detainees in U.S. custody since the Sept. 11, 2001, terrorist attacks.(AP Photo/Habib Rahman, Ho)   NO SALES
In this undated photo released by Habib Rahman, Gul Rahman is shown. Gul Rahman died in the early hours of Nov. 20, 2002, after being shackled to a cold concrete wall in a secret CIA prison in northern Kabul, Afghanistan, known as the Salt Pit. He was suspected of links to the terrorist group al-Qaida. Rahman is the only detainee known to have died in a CIA-run prison. The Justice Department announced Thursday, Aug. 30, 2012, it has closed an inquiry into CIA interrogations of terrorist detainees without bringing criminal charges. Thursday's decision, in the probes of the deaths of two terrorist suspects, including Rahman, marks the end of a wide-ranging criminal investigation by federal prosecutor John Durham into interrogation practices during the presidency of George W. Bush. In the past three years, Durham has looked into the treatment of 101 detainees in U.S. custody since the Sept. 11, 2001, terrorist attacks.(AP Photo/Habib Rahman, Ho) NO SALES
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