Mark Meadows: “It is unbelievably complex, would you agree?”

President Trump wanted to make sure that the people that came, that there was a safe environment for that kind of assembly.

What we are looking at is the kind of material -- we are talking about what was flushed down a toilet.

He told investigators that in the weeks following the 2020 election, he says he told Trump that these claims of widespread voter fraud were baseless.

Trump's former chief of staff Mark Meadows cooperates.