If you watched tonight's Republican debate on CNN, you may have noticed that at one point, the person screaming loudest in the room wasn't actually on the stage—it was a heckler yelling at Donald Trump. The candidate was slightly rattled, perhaps out of fear that it was actually another supporter yelling a Nazi salute. Fortunately for the Donald, it was only someone who really didn't like him. Here's what CNN reporter Dylan Byers, who was in the room, tweeted shortly afterwards:

Sources: h/t Bustle