The incident was caught on video.

Credit: Sarasota County Sheriff\'s Department
MIAMI (CBSMiami) – A Florida man and self-proclaimed white supremacist with swastika tattoos, knocked a female bartender unconscious at a waterside bar and grill last Friday and it was caught on video.
According to the Sarasota Herald-Tribune, Nicholas Arnold Schock walked through Pop’s Sunset Grille near Sarasota, shirtless with his pants nearly falling off, shouting “I’m a white supremacist.”