I've been planning it for a little while. I'm just incredibly busy right now with work and moving to a new place but I'm thinking about starting it up early in the new year.
I think you're talking about Ungrien in the Black-Briar Meadery? You can ask him about Maven Black-Briar and then persuade him over and over again to level up your speech quickly.
Run away from the city until you lose the guards, then go back to the outskirts of the city. A guard should approach you without attacking you; just go to jail and you're good.
Similar thing happened to me in Whiterun and I thought I was screwed.