The executive order is the latest effort by President Trump to stoke outlandish conspiracy theories about his predecessor and question the legality of his actions in office.

Biden referred to the claims made by Trump in his investigation memo as "ridiculous and false."

Trump on Wednesday ordered his administration to investigate former President Joe Biden's use of an autopen to sign pardons and other documents.

President Trump has ordered a proble looking into the abuse of exective authority under a cognitively-impaired Joe Biden | Politics

WASHINGTON (AP) — President Donald Trump intensified his assertions — without evidence — that officials using an autopen undermined the actions of his predecessor, Joe Biden, even suggesting Thursday that “essentially whoever used the autopen was president.” “I happen to think I know” who was using a tool that allows for auto signatures, Trump told […]

President Donald Trump directed his White House counsel on Wednesday to investigate whether former President Joe Biden's aides covered up alleged mental decline and unlawfully used an autopen on Biden's behalf to sign policy documents.

White House memorandum accuses predecessor's administration of signing policies through autopen.

President Donald Trump on Wednesday directed his administration to investigate Joe Biden’s actions as president, alleging aides masked his predecessor’s “cognitive decline” and cast doubts on the legitimacy of his use of the autopen to sign pardons and other documents. The order marked a significant escalation in Trump’s targeting of…

President Donald Trump maintained his position that former President Biden was not aware "what was going on" when he served as president as Biden brushed off the autopen probe.