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The Trump administration approved a U.S. Army firing squad execution of former Maj. Nidal Hasan, who was convicted by court-martial of killing 13 people and wounding 32 others in the 2009 Fort Hood shooting. The decision marks a rare use of military capital punishment procedures. The move has drawn attention given the long delay since Hasan's conviction and sentencing, and revives debate over the military justice system's handling of capital cases.