A Chicago Police officer roughed up a parking ticket supervisor last week, the supervisor alleged, arresting her and throwing her into a police wagon when she refused to void a ticket on an officer's car. The alleged victim, Jackie Fegan of the city's Traffic Management Authority, plans to sue the city, her lawyer said. She wept Friday as she described the incident, in which four officers allegedly took part. "They were hurting me. They wouldn't stop," Fegan said. "It's unreal. One minute I'm working, and the next minute I'm being hauled off and hurt and thrown into a paddy wagon."