The video is here:
https://www.youtube.com/watch?v=F6b2y9jVkAo
He appears at 43 seconds. He’s the dude wearing the cap and the “Gordon Martines 4 Clark County Sheriff” shirt.
I had to look up Gordon Martines; I’d never heard of him. I found this: http://www.dailypaul.com/308427/oathkeeper-running-for-clark-county-sheriff-meet-and-greet
So we have a name on this guy, Jarad Miller?