In the relatives’ account, the soldiers pulled Private Chen out of bed and dragged him across the floor; they forced him to crawl on the ground while they pelted him with rocks and taunted him with ethnic slurs. Finally, the family said, they ordered him to do pull-ups with a mouthful of water — while forbidding him from spitting it out.
http://www.nytimes.com/2011/12/22/us/8-charged-in-death-of-fellow-soldier-us-army-says.html