Here's a start.
"Embry tells KETK the Home Owners Association for their community only allows each household to bring two guests to the pool with them. There was a party going on that was supposedly sponsored by the HOA, but then it began being promoted on social media. That's when Embry says everyone from outside the community began to show up. According to DFW news outlets, a "promoter," 19-year-old Tatiana Rhodes, who goes by the name of "Young KC" or @Keef_Cakez on Twitter, sent out unauthorized invitations to the HOA-sponsored party."
EXCLUSIVE: Tyler native who witnessed McKinney pool incident defends police
TURNS OUT that all the FIGHTING STARTED with a scuffle between the DJ and a RESIDENT. That is what got the cops called.