June 4 (UPI) -- President Donald Trump on Wednesday ordered an investigation into former President Joe Biden 's cognitive state, alleging that White House aides covered up the ex-leader's mental decline and "abused the power" of the nation's highest office.

Trump signed an executive order directing his counsel, in consultation with Attorney General Pam Bondi , to probe whether Biden's aides attempted to cover up information about his health.

In a memorandum announcing the order, Trump said the investigation will determine "whether certain individuals conspired to deceive the public about Biden's mental state and unconstitutionally exercise the authorities and responsibilities of the president.

Trump takes issue with Biden's apparent use of an autopen to sign executive actions,

See Full Page