Artorias resists the urge to facepalm at the theif's bold lies "For Mars' sake" he yanks the Halfling closer to himself "citizens of Runite, that is a lie, I caught this thief pickpocketing myself and restrained him to be taken to Leif's guild for interrogation." he hopes that mentioning Leif will sway people to trust him, he knew how fickle crowds could be, specially in times like this so he doesn't stop his way towards Ciaran and (hopefully) Badger.
Spoiler
You just had to choose my worst skills did you?
Anyway it is an unmodified d20 roll either way, so here it goes (1d20)[16]