scammed...what would you do if you were in my situation?

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recently i was scammed on an online purchase of a quad core processor after joining an online webtrading site... through my own initiative, the whole scheme involved another member from the trading site and an unfortunate high school student who was lured and deceived with him receiving cash incentive for claiming the money i sent through a local courier using his school's ID. The courier gave me the details on the kid's identification and i was able to contact the school's principal who was able get information on the identity of the main culprit. Fortunately i was able to get through him, he admitted the scam, apologized, and returned the money back to me. i wanted to teach him a lesson, file charges, but unfortunately doing so would also implicate the high school student [actually he is a graduating student]. i talked to the principal, the student's adviser and the mother, who all confirmed that the kid is doing good in school. i did'nt push through of filing the complaint and instead just accepted the culprit's apology. What is bothering me is that there is also another member who was scammed by this guy and right now, i am really bothered if i did the right thing of just letting the culprit scott-free for the sake of the high school student's future.. what would have you done in case? any ideas please..