Okay, even if the customer WAS being rude/disrespectful, that cashier still stepped WAAAAAAAAAAAAAAAAAY over the line there. He obviously knew that he'd get in trouble for it, considering:
The store's surveillance tape was erased or taped over prior to officers' arrival, Sullivan said.
Now you KNOW that it wasn't an accident/coincidence that THAT happened.
I sure hope the deaf guy's family presses charges against that idiot.
* JFC shakes head in disbelief.