President Donald Trump alleged Thursday that officials in Joe Biden 's administration might have in effect forged their boss's signature and taken broad actions he wasn't aware of — while acknowledging he had no evidence that actually happened.

Presidential use of the autopen is not illegal. And Trump admitted that his staff uses the device to mimic his signature on letters.

President Donald Trump ordered an investigation into former President Joe Biden’s actions and autopen use in a Wednesday memorandum that cites his predecessor’s “cognitive decline.”