By Alex Lang New York (Knewz) — A man posed as a teenager’s father in a Chicago park to pull her in a bathroom and sexually assault her. Now, police are asking for help finding the suspect. The incident happened between 9 and 10 a.m. on July 19 at a park on West Paterson Avenue, according to Chicago police. The victim was a 15-year-old girl. She was in a park when the suspect approached. The suspect pulled the victim into a gray, portable toilet stall, police said. There, he raped the victim. Investigators said the suspect portrayed himself as the victim’s father. But police did not release fu…