CHICAGO --There was a court hearing Wednesday for a Berwyn man charged in connection with a series of random attacks on six people in the Loop.Attorneys say 27-year-old Gregory Perdue suffers from schizophrenia. He's accused of punching two men and four women, including ABC7's Cheryl Burton one week ago Wednesday. Perdue is charged with six counts of aggravated battery. He's being held on $500,000 bond. Prosecutors are calling for a grand jury to investigate the case.