Read the excerpt from monster. petrocelli then he must have lied, is that right? o’brien objection. the prosecution is soliciting an argument. petrocelli withdrawn. mr. harmon, you say you weren’t at the drugstore anytime during the day of the robbery. perhaps you would tell us where you were. based on this dialogue, what can the reader infer? this is petrocelli's first time acting as the prosecuting attorney in a court of law. mr. harmon knows where he was during the day of the robbery. it is a rule of the court that a lawyer may not argue with someone during questioning. petrocelli has not been a trial lawyer as long as o'brien has.