Complex sentence: Parsons had little memory of the event, except that at one point she vomited, while a boy was allegedly raping her, the incident was photographed and the photo became widespread in Parsons' school and town in three days.
Split into simpler sentences: Parsons had little memory of the event, except that at one point she vomited. While a boy was allegedly raping her, the incident was photographed and the photo became widespread in Parsons' school and town in three days.