Major Nidal Hasan, who evidently perpetrated the shooting at Fort Hood, was not killed in the attack, nor was the female MP or security officer who stopped him.  Initial reports that two others were involved in the incident seem to be incorrect at this time.
According to news sources, Hasan is a Muslim who disagreed with [...]

Early news reports on the shooting at Fort Hood indicate that the alleged perpetrator was a U.S. Army major armed with two handguns.  In what seems to be some sort of “reverse fragging” incident, the major apparently “executed” 11 or 12 soldiers and wounded over 30 others, before being killed himself by a civilian security guard [...]