There really isn't enough information here to make much sense of what you are asking. But I will say this: as a general rule, anything that involves strangers you meet online and checks that they need ...
I think we all share your sentiments stuka. But if there was an easy way to take action against scammers world-wide - believe me - we would lead the charge. The Interpol is not an international police ...
A first checkpoint is the email address they use. If it they claim to represent a legitimate organization but use yahoo, hotmail or other free email addresses, they are almost certainly scammers.