It is very doubtful that you could have someone prosecuted for money that you have stated was a loan. It is possible that you might be able to sue them in small claims court to recover the money depending on the proof you have available. You are certainly free to discuss the matter with law enforcement officials but an arrest is probably unlikely. Good luck.
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You have not indicated that the money you sent him was a loan or just because you like him and thought you had a relationship of some sort. You appear to have been scammed. You can make out a police report but it is highly unlikely that anything will happen to him as a result of this. You learned a lesson and will be leery in the future of sending someone money.
The advice I have given does not bind the parties in any manner and is merely given as a courtesy.
It is not clear from your question why you sent the person this money but it does not sound like a criminal case. At most it sounds like a civil matter.
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I assume you mean criminal charges, and the answer is not unless there was some sort of crime such as fraud. Even if it was a "loan" which he is ignoring, that is at best a civil suit. However, it does not sound as if you made provision for enforceability of a loan. Consult a local attorney to see what your legal recourses are.
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Your question lacks sufficient facts to provide a proper answer or to determine if you were defrauded. There is no indication from your question as to why money was sent in the first place.