Tom Girardi is showing his hostility in court. On Wednesday, the 84-year-old former attorney attended the third day of his mental competency hearing ahead of his fraud trial, and directly insulted the federal prosecutor. [readmore label="READ MORE: " link="https://etcanada.com/news/831956/erika-jayne-admits-she-feels-horrible-for-victims-of-tom-girardis-alleged-crimes-in-rhobh-reunion-part-3/" text="Erika Jayne Admits She Feels ‘Horrible’ For Victims Of Tom Girardi’s Alleged Crimes In ‘RHOBH’ Reunion…