hotel. he's been identified by authorities as 64-year-old stephen craig paddock. he's a white man from mesquite, nevada, 80 miles northeast of las vegas. police estimate about 22,000 people were in that crowd for that concert when the bullets started raining down. jason aldean was performing at the time. we also know that two off duty las vegas police officers were at the concert were killed. two on duty officers were injured as well. let's bring in our law enforcement experts. law enforcement analyst james g g gagliano. the fact that this man may be holed up since september 28th. what does it tell you? >> we look at the age and he's further removed on the spectrum. most of the time when you have a mass shooting, it's someone in