and outside were at roughly the same time. >> now, explain to me this -- when did the rest of the authorities, when they showed up on the 32nd floor to confront stephen paddock, when did that happen? does this now mess with that timeline? i mean, is the whole timeline that we've been told -- >> reporter: shifted? >> shifted. >> reporter: no. not our understanding. because once he began firing out the window that launch add whole different sequence. fires out the window at 10:05. by 10: 12, policemen are in the building working their way up to the 32nd floor. get on the floor at 10:17 and 10:18 encounters the guard who shows them where the room was and by then shooting stopped by ar eight minutes. >> and is this correction influenced by the investigation? >> reporter: my assumption is that the police have been trying to give their best assessment of what they believed to be true,