The vice president says Donald Trump “lacks judgement” to be president, and it apparently takes one to know one.

While Joe Biden was attempting to make that case that Trump isn’t qualified to be president, he singled out the aide he says is carrying his nuclear codes necessary to launch missiles.

“Someone who lacks this judgement cannot be trusted. There’s a guy who follows me, right back here,” Biden said, pointing to someone off stage, “has the nuclear codes.

“So God forbid anything happened to the president and I had to make a decision, the codes would be…” the vice president said before trailing off.

“He is not qualified to know the codes!” Biden said. “He can’t be trusted.”