Army investigators say Morlock has admitted his involvement in the killings and given details about the role of others including Gibbs. But his lawyer, Michael Waddington, is seeking to have that confession suppressed because he says his client was interviewed while under the influence of prescription drugs taken for battlefield injuries and that he was also suffering from traumatic brain injury.
"Our position is that his statements were incoherent, and taken while he was under a cocktail of drugs that shouldn't have been mixed," Waddington told the Seattle Times.