That sounds like rubbish to me. AFAIK only theymos and I think Cyrus have access to IPs, amb talking from memory so I might be wrong but I really doubt that any of the staff would handle IP addresses due to a $500 claim, even more when scams are not moderated on the forum.
I only see this happening to a legal requirement, as the privacy notice says, which I doubt has arrive to theymos for this case.
Yeah I agree he'll have to show proof that he is able to do what others think cannot, if he has has prior accusation against the scammer he needs to first post it here I highly doubt a staff will give that vital information he needs to be convincing, but so far we are not convinced on your accusation, what more for a staff.