Prosecutors want juries to hear all crimes of accused Seminole Heights serial killer during each trial Gloria Gomez reports TAMPA, Fla. - The last time accused serial killer Howell "Trae" Donaldson was in court in October, he was in court wearing a face mask and getting a big win in court. But now prosecutors trying to find a way around that ruling and still get what they want. Prosecutors just filed a new motion asking the judge to allow Donaldson's prior bad acts and crimes in each trial, also known as "Williams Rule," as evidence. Advertisement Attorney Anthony Rickman reviewed the documents for Fox 13.