President Donald Trump said Monday that he is offering $1 million to anyone who reports voter fraud in the upcoming election or past ones.

Trump did not specify where the funds for such payments would come from. He said on Truth Social that they would be paid on the “arrest and conviction of those that created the fraud.” A White House spokesperson did not offer more details about the offer, referring NBC News to Trump’s post.

There is no evidence of widespread voter fraud in U.S. elections, though Trump has spent years claiming that there is and that it cost him the 2020 election he lost.

Instances of voter fraud do occur on occasion — such as when people fill out recently deceased relatives’ ballots or lie on mail ballot applications — and they are usually caught.…