I watched a video of this — I though it **possible** that it is him, but it didn’t seem too conclusive. Resolution was not great.
The fact that he’s with an asian lady nudges me in the direction of thinking it’s him. But hardly a sure thing.
But if it is him, then here’s a massively over-extrapolated scenario: He’s a raging lefty, he hates deplorables, and the Trump election has driven him over the edge. What’s more, he’s a gun control nut. So he decides to massacre a crowd of country music loving red staters, hoping the outcry will create decisive pressure for gun control, especially if he can rack up a historic body count. He packs the hotel room with an absurd number of automatic weapons, not because they’re needed, but because they’ll make a statement about how easy it is to accumulate an arsenal. Thus he goes out in blaze of hate filled SJW glory.