The one behind this should be imprisoned.
That's very unlikely. Supposed that you get the whereabouts of the people behind it. Would you go to a different country, hire a lawyer, and sue them just because they scammed you about $5-$10? Of course not.
This is one of the protections those scammers use, since they scammed a low amount of money it is unlikely the victim will choose to follow with a demand or with an investigation of his own.