Given no further evidence, do I think it is most likely true that he pointed a gun at FBI agents who loudly and repeatedly identified themselves? Yes, I do.
Good enough to hold up in criminal court? No.
Good enough for me, an internet rando-crank to say “Tough shit.”? Yup.
I’ve been proven incorrect before. I’m OK with that.

Yep also fair enough. Only being pedantic so as to give the same benefit of doubt I would for someone else, but I generally agree with your assessment.