I'm a cynic. I doubt they will follow up since the initial report will be used to arrive at the conclusion most people seem to want anyways. If the researchers do follow up and find a non-racist cause it will be ignored.
Companies that do business with Texas have to sign an agreement that includes that statement about Israel. It's part of Texas's standard agreement with vendors...
I suspect he got the attention of the FBI by being publicly vocal about his hatred of police but was arrested for having a gun when he was prohibited because of his conviction for domestic assault.
The FBI itself admitted that nothing he wrote could be characterized as a threat. However vitriolic, non-threatening speech should never, in a free society, trigger law enforcement action. And note that the gun-possession charge was evidently flimsy enough that a judge dismissed it before trial.
Thank you for saving me from going on an anti-free speech tirade. And now I see the article has been flagged, presumably because the headline is misleading.