office at this business park. those two vick tiptims air lift a baltimore hospital. tonight, one still fighting for his life. the other released just moments ago. is there any indication the suspect knew these victims? that s something that our authorities are looking into, to find out the relationships. why it began here. reporter: a naval spokesperson telling abc news, the victims were coworkers with the alleged gunman, identified as 38-year-old fantahun girma woldesenbet. minutes after the shooting, the suspect fled to ft. detrick army base where he was assigned, speeding past a checkpoint and taking out his rifle. he was shot and killed by military personnel. tonight, the fbi now on scene, surrounding the suspect s home, still searching for a motive. has a violent incident like this ever happened before on the base? not to this magnitude. not that i m aware of, not to this magnitude on ft. detrick. but in light of what s happened, you know, certainly across the country, we we
have another peak. david? eva pilgrim leading us off tonight from michigan. eva, thank you. we turn next tonight to that unfolding scene today. police responding to an active shooter near ft. detrick in maryland. a navy medic allegedly armed with a rifle opening fire, wounding two sailors. tonight, one critically injured. an alert going out today. the gunman then driving to the gate of the base. he was shot and killed by armed military personnel. and what we ve now learned tonight about the suspect. abc s rachel scott on the scene in maryland for us. reporter: tonight, the terrifying moments in and around ft. detrick army base in frederick, maryland. all units, 1043, city is operating on an active shooter event. reporter: authorities say this is where the gunman, a navy medic, opened fire with a rifle around 8:00 a.m. this morning. we have a male subject in an army type suit. carrying a long rifle. reporter: shooting and critically wounding two sailors working at a nava