In an interview on "Fox & Friends" with hosts Steve Doocy, Brian Kilmeade, and Ainsley Earhardt, Paul said that new information surrounding top Democrats and intelligence and law enforcement officials' roles during the 2016 investigation of Flynn amounts to illegal eavesdropping for political purposes.
"So, that's what needs to be investigated," Paul asserted. "What I want to know is what possible national security reason would there be to unmask Flynn?"
The FBI had questioned Flynn about his conversations with Russian Ambassador Sergey Kislyak. In recently illuminated documents, department heads appeared to have debated how best to charge him -- highlighting the Logan Act as a possible legislative tool.
Flynn eventually pled guilty to making false statements in 2017, but now accuses the government of entrapment. Additionally, although the Department of Justice has motioned to acquit Flynn, Flynn's District Court Judge Emmet Sullivan has prolonged the case by calling on retired federal Judge John Gleeson as an amicus curiae.
On Wednesday, a list of the 39 officials involved in Flynn's original indictment was made public -- including many familiar faces like former vice president Joe Biden.
"You know, the fact that Joe Biden [listened in] was very poor judgment, but I think was also an abuse of power," Paul stated further. "And, this was precisely what they were accusing Trump of during the impeachment. They said: ‘Oh, you used the power of government to go after a political opponent.’ That's exactly what Biden did here, in a partisan way,"
Paul told the "Friends" hosts that unmasking is supposed to be used to protect Americans and for national security reasons.
"So, I think it was an illegal eavesdropping, and I think it was done for political purposes," he said, "which makes it even worse."