I had to round trip Chicago today and heard a lot of radio about this. They say the guy wired $100K to his girlfriend in the Philippines a couple days ago and that she is part of MoveOn.org and Antifa, a huge Never Trumper. I bet he went soft or got diagnosed with incurable cancer and decided to honor his fellow libtard girlfriend by going kablooyee and killing a bunch of Trump voters. Oh, and I heard this: a recording of Vegas SWAT saying that they confirmed there were two shooters.
sounds logical and believable. His "partner" could have killed him and scattered before SWAT got to his room. Hence the cameras to alert them when they were getting close. There are two windows in the room that was broken out, after all.