Contact personal injury as soon as possible.
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There can be a criminal prosecution where it occurred. You can sue in the US.
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Since the event occurred abroad, any U.S. court will lack criminal jurisdiction-- the criminal prosecution must be handled by the local (foreign) authorities. However, civil claims may be brought by you against your assailant in the U.S. depending on the application of state or federal "long arm" statutes. You may also have claims against the University for their negligent hiring, retention, or entrustment of the assailant. Consult with a local attorney immediately.
You would need to follow up with the police officials where you reported it regarding criminal prosecution. You can speak to civil attorneys regarding a lawsuit but try to get copies of police and medical records before meeting with attorneys so they can better evaluate your potential claim.
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