Police: Active-duty Navy official responsible for shooting in Frederick, Maryland Suspect shot, killed by Army officials WJLA Chopper Posted at 8:46 AM, Apr 06, 2021 and last updated 2021-04-06 15:20:53-04 FREDERICK, Md. â An active-duty member of the Navy shot two fellow service members Tuesday morning at an off-base military unit before he was shot and killed by Army personnel when he evaded a security checkpoint at nearby Fort Detrick. The two victims were airlifted to nearby hospitals and were initially listed in critical conditions. As of Tuesday afternoon, one of those victims is still in critical condition â the other is expected to be discharged from the hospital on Wednesday.