Investigation of abuse of a detainee by a linguist hired by Titan Corporation during an interrogation in Karbala, Iraq. Investigation established that there was insufficient evidence to prove or disprove listed offenses. Titan interrogator's sworn statement says that when he learned that a linguist had beat an Iraqi detainee while in custody. Titan interpreter's sworn statement that he saw the accused interpreter open-hand strike a detainee who was sitting on the floor with a sandbag over his head and his hands tied behind his head.