Phi Kappa Psi at UVA released a statement (
Washington Post carries it -- below) just after the local police released their statement about their investigation. The police found no evidence to support "Jackie's" story. The police did not (really could not, I think) dismiss the possibility that something may have happened -- just not what "Jackie" said.
http://www.washingtonpost.com/local/...f1c_story.html
For a little more about the police report on their investigation:
http://www.usnews.com/news/articles/...raternity-rape