Absolutely no idea but the lack of apparent motive & constant changing of the story + restricted access to the people who were involved doesn't help.

Coming out with this absolute bullshit motive doesn't help. The shooter was researching rooms above large concerts for months before Vegas, he even booked a room above lolapalooza in Chicago and didn't check in. He was planning this for a while and researching sites that had nothing to do with casinos or gambling.

This shooting is one of the strangest ones. I don't think anybody has a good idea of the truth, but I think we can all agree that we don't have it yet.