Manning has also offered to take responsibility for the leak by pleading guilty to reduced charges. The military judge hasn’t yet ruled on the offer and prosecutors have not said whether they would still pursue the charges against him.
The military contends Manning’s treatment at Quantico was proper, given his classification as a maximum-security detainee who posed a risk of injury to himself or others. He was later moved to Fort Leavenworth, Kan., where he was re-evaluated and given a medium-security classification.
A United Nations investigator called the conditions of Manning’s time at Quantico cruel, inhuman and degrading, but stopped short of calling it torture.
The 24-year-old native of Crescent, Okla., faces possible life imprisonment if convicted of aiding the enemy, the most serious of the 22 charges.
He is accused of sending hundreds of thousands of classified Iraq and Afghanistan war logs and more than 250,000 diplomatic cables to the secret-spilling website WikiLeaks while he was working as an intelligence analyst in Baghdad in 2009 and 2010.
The materials Manning is suspected of leaking include sensitive reports on foreign governments and leaders, Iraq and Afghanistan war logs and a 2007 video clip of a U.S. helicopter crew gunning down 11 men later found to have included a Reuters news photographer and his driver. It was the video that garnered the most worldwide attention from the leak. As for the video clip, the Pentagon concluded the troops acted appropriately, having mistaken the camera equipment for weapons.