today at johns hopkins hospital. tonight we ve learned the gunman and his mother lived in arlington. fox 5 is working all the angles on this story and begin with bob barnard live at the hospital. reporter: tonight the johns hopkins hospital is reportedly back operating as usual, but this place was chaotic during the midday. for a little more than two hours thursday one of the nation s most prestigeous hospitals became an uncertain crime scene with shots fired inside baltimore s johns hopkins hospital. it s scary just knowing that someone is on the outside on a rampage with a gun in a hospital where we re supposed to be protected. reporter: baltimore police say just after 11 a.m. a doctor was shot in the hallway on the eighth floor. the alleged gunman, so not of a female patient originally the son of a female patient originally identified as warren davis. mr. davis was receiving some news about the care and the condition of his mother just outside the doorway to that