guard, security guard shot first. >> it also raises question, the questions says the security guard innovative hotel security and was able to stop, i think a maintenance worker from being on the floor as well. if he alerted hotel security i'd assume hotel security would have called police, so i assume police would have been awe ware that shots were fired on the 32nd floor much sooner than perhaps they were if the hotel did call the police. and it also raises a question of what then diverted the gunman, what stopped the gunman from shooting after 10 or 11 minutes outside. and why did he continue his rampage, was it that police by then had arrived? do we know? >> reporter: there are a lot of questions. all of these that you have, anderson we can't answer or at least the investigators appears