Hi there and thank you for your question,
Can I ask a blunt question -- has your Mom ACTUALLY met this guy, or are they friends through the internet? Does she PERSONALLY know this guy, or is it an online friend?
The reason that I'm asking is that I get about 3 questions EXACTLY like yours each month, and EVERY SINGLE one of them is always a SCAM of some sort.
Basically the point of the scam is to get your Mom to pay money. It normally involves somebody getting arrested, and bail money, or money for certificates, or affidavits getting signed, or customs clearances, or processing fees, or something like that!
This is a Nigerian 419 advanced fee scam, and my advice to your Mom is NOT TO SEND ANY MONEY.
The GOLDEN rule in this situation is that whenever an upfront payment of money is requested before you can receive another BIG payment, or before your payment can be "released", you should take extra caution that it is a scam.
Normally there are promises about "pay something now, and you'll get a massive reward later".
Other times the scam is that somebody is arrested, and they need bail money.
It's ALWAYS the same thing - a scam.
PLEASE Calvin, speak to your Mom, and Google Nigerian 419 advanced fee scam. Read up what you can. This is nothing more than a confidence trick in which your Mom is the target!
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Good luck and best regards,
Please note: This answer does not create an attorney-client relationship. Please consult a local attorney in person for legal advice. This information is being provided so you can better discuss legal matters with your attorney.