Officials say the suspect was on his fourth deployment . He suffered a traumatic brain injury in 2010 in Iraq but was cleared for duty . TL;DR A man who shot and killed two police officers at an Oregon shopping center is now charged with murder after he allegedly told investigators that he acted because of "mental illness," authorities said. : It 's unlikely the solder was suffering from post-traumatic stress disorder .
Officials say the suspect was on his fourth deployment . He suffered a traumatic brain injury in 2010 in Iraq but was cleared for duty . Psychiatrist : It 's unlikely the solder was suffering from post-traumatic stress disorder .