Mr Gestner’s FB post about it.
http://www.breitbart.com/texas/2015/06/07/video-emerges-of-violence-at-innocent-pool-party-in-mckinney-texas/
Yeah, I saw the post. I was asking about anything beyond the one guy’s word. 911 calls? Police reports? Other witnesses? Photos of damaged houses and/or cars? Stuff like that.