Her supporters automatically believed the lie of her being unarmed because of her color. Plain and simple.
On the other hand, they may have knowingly lied, ignorant of video evidence. It’s always worth a shot to start with the lie, get Ben Crump out of his house, and do a few riots. And when the evidence comes in, just move on. Fun for the whole family. The point is to hammer the lie about cops killing blacks at every turn.