Wikipedia's article on Zaleucus as well as the one on Locri cite a rule about proposing a new law: Anyone who proposed a new law, or the alteration of one already existing, had to appear before the Citizen's Council with a rope round his neck. If the Council voted against the proposal the proposer was immediately strangled. As far as I can tell the origin of this story comes from a speech by Demosthenes that is at best hearsay if not pure rhetoric. Is there any more conclusive evidence that t...