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He weighed in again in real time as Harris formally accepted the vice presidential nomination.

After Harris said, \"I know a predator when I see one,\" alluding to Trump and her prosecutorial background, Trump attempted to revive tensions between Harris and Biden from the primary trail.

BUT DIDN'T SHE CALL HIM A RACIST??? DIDN'T SHE SAY HE WAS INCOMPETENT???

— Donald J. Trump (@realDonaldTrump) August 20, 2020

Notably, Harris specifically said when she pushed Biden about busing on the debate stage that she did not view him as a racist.

ABC News' Terrance Smith contributed to this report.

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