"I think spying did occur," Barr told a Senate hearing. "But the question is whether it was adequately predicated and I am not suggesting that it wasn't adequately predicated. ... I am not suggesting those rules were violated, but I think it is important to look at that. And I am not talking about the FBI necessarily, but intelligence agencies more broadly.
"I think spying on a political campaign is a big deal - it's a big deal."