NEW : Judge rejects options for plea offers from Hasan 's lawyers . The 2009 shooting that killed 13 people occurred at the post 's processing center . NEW : A federal judge has rejected a defense motion to dismiss all charges against Army psychiatrist Maj. Hasan appears in military court thinner , bearded , in wheelchair .
NEW : Judge rejects options for plea offers from Hasan 's lawyers . The 2009 shooting that killed 13 people occurred at the post 's processing center . NEW : Prosecution expert witness discusses material apparently found on Hasan 's laptop . Hasan appears in military court thinner , bearded , in wheelchair .