He knows what's on the Weiner laptop.  He knows what Biden did in UKR, CHN, and ROM.  Flynn knows all about Benghazi.  Flynn knows everything about the top down effort to crush the hunt for UBL and other HVTs in AFG and in IRQ.  Flynn knows about the human trafficking infrastructure.  And I'd bet somehow, he and his team of White Hats, stole the DS playbook.