President Donald Trump on Saturday night reposted a baseless claim on Truth Social that former President Joe Biden was executed in 2020 and replaced with clones or robots.

Biden had preemptively pardoned family members and their spouses before ending his term, in an attempt to protect them from political prosecution as Trump promised retribution. He also pardoned members of the House committee who investigated the Jan. 6, 2021, Capitol riot.

President Trump reposted another user’s false claim that the former president had been “executed” in 2020 and replaced by a robotic clone.