Four and one-half months after former President Joe Biden left the White House, President Donald Trump is calling for an investigation of Biden's use of the autopen — which, Trump claims, was used to hide his "cognitive decline.

Donald Trump has issued a Presidential Memorandum directing his administration to probe whether former President Joe Biden was truly in charge of the United States, or if key White House aides were involved in a "conspiracy" to usurp executive power due to his perceived "cognitive decline".