New charges were filed against a man accused of fatally shooting one National Guard member and gravely injuring another in Washington, D.C., opening the door for the DOJ to seek the death penalty if he's convicted.

Rahmanullah Lakanwal, accused of targeting and shooting National Guard troops in downtown Washington, D.C., pleaded not guilty to all charges

New charges were filed against a man accused of fatally shooting one National Guard member and gravely injuring another in Washington, D.C., opening the door for the DOJ to seek…