[cyncooper]

But why would he admit that to the investigators? They must have had evidence that forced him to give them that level of detail instead of sticking with deny deny deny.

[Southack]

"But why would he admit that to the investigators? They must have had evidence that forced him to give them that level of detail instead of sticking with deny deny deny."

No, he had to claim that the documents were destroyed to justify not returning them. How were they destroyed? With scissors, he explains.