As a machine replicating a person, there's some apprehension toward autopens. Is it possible to tell if it has been used in the place of a real person?

President Trump is ordering an investigation into whether former President Joe Biden used an autopen to sign key documents like pardons.

WASHINGTON (AP) - It's the open secret that nobody in government wants to talk about: That cherished presidential signature that's tucked away in a scrapbook or framed for all to see might never have ...

Rep. James Comer, R-Ky., has been leading the probe into Joe Biden’s cognitive state during his presidency, with Republicans alleging that Biden's occasional use of an “autopen” to sign documents — a ...