We won't be hearing too much about this one.
The shooter was a white dude, a legal, native-born, American citizen.
There was another shooting in Jacksonville just a few days before that at a high school football game, and another in Miami, and unless you live in Florida, you wouldn't have heard about them either.
My Deplorable correspondents always send me I-told-you-so email whenever a Muslim or a Mexican commits a crime, but they never bother when its just another All-American bullet-headed Saxon mother's son. Rocky Raccoon and Bungalow Bill are always aberrations but Mohammed and Manuel will always fit the profile.
Racism is all about cherry picking and confirmation bias.