Maj. Nidal Malik Hasan, an Army psychiatrist, has been charged with premeditated murder and attempted premeditated murder in the November 2009 attack at Fort Hood, Texas. (Associated Press)

Maj. Nidal Malik Hasan, an Army psychiatrist, has been charged with premeditated murder and attempted premeditated murder in the November 2009 attack at Fort Hood, Texas. (Associated Press)