I am very sure between the money trail, the note in the room, the video, the travel, streaming the video overseas, and the guest (and maybe even her warning before the attack), that they know very well what the cause was. Trump hint as much today and the sheriff yesterday suggested he might have been radicalized. Chalk another up to Islamic terrorism. That’s what I’ll put my money on at the moment.
And don’t forget the link of his plane to Valent, which reportedly involve intelligence activities. There is more to this guy, more to this story.
And multiple video of a additional shooters on the 4th floor. Even the police scanner has something odd going on on the 4th floor.