The Fort Hood shooting was a jihadist mass murder that took place on November 5, 2009, at Fort Hood near Killeen, Texas. Nidal Malik Hasan, a U.S. Army major and psychiatrist, fatally shot 13 people and injured more than 30 others. It is the worst shooting ever to take place on an American military base. Several individuals, including Senator Joe Lieberman, General Barry McCaffrey, and others have called the event a terrorist attack. The United States Department of Defense and federal law enforcement agencies have classified the shootings as an act of workplace violence.