Hire a criminal attorney, give him or her the names of the witnesses, see if anyone took pictures at the party (check their Facebook posts) and wait.
The response given is not intended to create, nor does it create an ongoing duty to respond to questions. The response does not form an attorney-client relationship, nor is it intended to be anything other than the educated opinion of the author. It should not be relied upon as legal advice. The response given is based upon the limited facts provided by the person asking the question. To the extent additional or different facts exist, the response might possibly change.
Don't talk to the police under any circumstances! They have no interest in helping you. Do your research and hire a reputable criminal defense trial lawyer right away. Contact your local innocence project to get recommendations for a very good trial lawyer.
The Rocky Mountain Innocence Center
358 South 700 East, B235
Salt Lake City, UT 84102
Find one that will immediately start a thorough investigation, which may include gathering text messages and other evidence that will be lost in a short period of time. You need someone who has successfully defended innocent people, who were falsely accused of rape at trial. Do not post any more details online! Check out the link below for additional ways to protect yourself.