SPQR X: A Point of Law

Being under suspicion of murder did not hamper my freedom. This is because Romans are civilized people and don't clap suspects into prison like barbarians do. It would take an order of a lawfully convened court even to place me under house arrest.
That's Decius Caecilius Metellus speaking---Senator Decius Caecilius Metellus, please. He is at an outdoor rally in Rome where he is campaigning for election to the praetorship. It looks like a shoo-in, until a man named Fulvius, of whom Decius has never heard, arrives at the preelection proceedings with a small army of hoodlums and begins to shout to the assembled voters that Decius is a thief and worse. While this is not an unknown effort used to ruin a candidate's chances, it is enough to have Decius's father call a meeting of family and friends--a meeting that ends with the participants going home determined to find some answers to stop Fulvius's efforts to ruin Decius's chances.
Early the next...