Joseph Marcee to leave the court while the third attorney , Lt. Col. Kris Poppe , remained with Hasan , who is accused of killing 13 people and wounding 32 others in a November 2009 shooting rampage at the Army post near Killeen , Texas . NEW : Maj. John Gaffney standby attorneys are appealing order to stay on case . The prosecution is going through more than 40 witnesses in 2009 . Hasan faces a death sentence if convicted of 13 killings and more than 40 attempted murder counts . Osborn has admitted being the shooter in the 2009 rampage at Camp Victory .
NEW : Maj. John Gaffney standby attorneys are appealing order to stay on case . The prosecution is going through more than 40 witnesses in 2009 . Hasan faces a death sentence if convicted of 13 killings and more than 40 attempted murder counts . Osborn has admitted being the shooter in the 2009 rampage at Camp Victory .