President Donald Trump questioned former President Joe Biden’s autopen-signed pardons, calling them “void," as experts weigh whether courts could rule on the validity of presidential clemency.

Donald Trump says Joe Biden's last-minutes pardons via autopen are null and void. But what is an autopen? And what does it mean for pardons?

President Donald Trump says he believes some pardons issued by President Joe Biden are not valid. On social media, Trump claimed Biden’s use of an autopen voids the pardons, despite legal precedent otherwise.