It will probably be days, maybe weeks or even months before we know exactly what happened at Fort Hood that led Specialist Ivan Lopez to kill three people and himself on Wednesday. This much is confirmed: Lopez served four months in Iraq in 2011, and had been under evaluation for possible Traumatic Brain Injury and Post Traumatic Stress. In an information vacuum, this will undoubtedly be that prevailing narrative.
This is a companion discussion topic for the original entry at https://talkingpointsmemo.com/?p=220254