than he was winning. maybe unsatisfying personal relationships, isolation. it could be a combination of factors. i think that's the importance of law enforcement trying to pick all those pieces apart, lay them against his timeline of activities. internet searches, travel, and gun acquisition for sure. and try to understand this in a bigger way that has, you know, clearly been harder to do than the average -- the typical average shooter. >> he checked into the hotel on september 28th. the sheriff says he's got to assume he had some help at some point. listen. he had an elaborate plan and brought 23 guns into the hotel room. over the course of three days, you've got thousands of people going up and down the elevators in a hotel that big. he could have done this on his own. >> yeah. in my estimation, he could have. law enforcement has to start with the perspective that there is -- there are coconspirators, aiders and abetters.