It's after the man in the audience asks him if he thinks whether or not anybody will blame if there's a security breach in this country. (Assuming he's talking about all the illegal immigrants currently in this country and the Biden's allies with China and Russia.)
The look on his face and his whole entire demeanor saying that the man will be saying that he did a great job makes it look like he silently added inside his head "or else."
The look on his face and his whole entire demeanor saying that the man will be saying that he did a great job makes it look like he silently added inside his head "or else."