WMAR ABC2 News The Latest At 11 September 17, 2010
together better tonight. the incident happened shortly after 11:00 t morning and the only thing that might have prevented it would have been preventing paul par advertise from bringing that weapon into the hospital in the first place. don't expect to see widespread use of metal detectors here at johns hopkins. the frightening news came shortly after 11:00. >> sounded chaotic, no one knew what was going on. >> reporter: thousands of hospital employees told there had been a shooting on the 8-t floor of the medical building, they locked themselves in not knowing where the gunman might b...