US Army Lt. Gen. Bob Cone, Fort Hood's commanding general, briefs the media at Fort Hood, Texas on November 9, 2009 regarding last week's shootings. US Army Major Nidal Malik Hasan, 39, a psychiatrist and specialist in combat stress, allegedly killed 13 people and wounded 39 in a shooting rampage here is said to have acted alone by investigators and no motive has been established. The suspected shooter has regained consciousness and can talk, fueling hopes Monday he may soon reveal the motive for the attack.