The news of the former president's illness, coupled with the damage to Biden world’s credibility when it comes to his fitness, has led to speculation about a cover-up.

In a rambling response to a reporter’s question at a law enforcement event at the White House, Trump suggested that Biden hid his cancer diagnosis while he was in office, playing into unverified conspiracies that have come out since Biden’s announcement on Sunday that he has an aggressive form of the disease for which there’s no cure.