REPORTER: Officials say the suspect in the DC shooting was vetted and it came up clean

TRUMP: He went cuckoo. He went nuts. There was no vetting

REPORTER: Actually, your DOJ IG just reported that there was thorough vetting of Afghans who were brought into the US. So why do you blame Biden?

TRUMP: Are you stupid? Are you a stupid person? You're just asking questions because you're a stupid person