An FBI agent assigned to Camp Delta, Guantanamo Bay reported that he walked into a Camp Delta observation room and noticed a detainee in an interview room rubbing his leg due to possibly being placed in-a stress position. The detainee was wearing leg-irons and was handcuffed with cuffs chained to his waist. He was advised that the chains were adjusted to force the detainee to stand in a "baseball catcher" position. The agent also reports other suspicious incidents, but does not report direct knowledge of detainee abuse other then as contained herein.