He willingly goes with the guards, though is notably agitated. He'll tell them that they got in a fight from the affects of the Heralds and that he brought him to the Winking Cauldron to help ease his distress.

... He unfortunately also tells them that if Thorne had information about the Heralds in the first place, then maybe their Summoned wouldn't have been so ill-prepared.

He is omitting information and probably a 2 at convincing.