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June 16, 2026 / 6:04 PM EDT

/ CBS News

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Federal prosecutors filed new charges Tuesday against a man accused of fatally shooting one National Guard member and gravely injuring another in Washington, D.C., opening the door for the Justice Department to potentially seek the death penalty if he's convicted.Rahmanullah Lakanwal was charged with eight additional counts in a superseding indictment, including murder of a person assisting an officer of the United States and discharge of a firearm during a violent crime that causes death, both of which are death penalty-eligible.A D.C.-based federal grand jury also separately found that Lakanwal "intentionally killed" Army Spc. Sarah Beckstrom and attempted to kill more than one person — factors that are necessary for prosecutors to seek the death penalty.The Justice Department said in a statement its Capital Case Committee will review whether to seek the death penalty in Lakanwal's case.Lakanwal is facing several other federal attempted murder and firearm charges, along with first-degree murder, assault and gun possession charges under D.C. law.He pleaded not guilty on all counts at a hearing Tuesday. His attorney did not immediately respond to a request for comment.