If it is a scam, there is a chance the information you have may not even be the actual guy who was doing the dealing and getting the money in the end.
It may be a scam where they compromise somebody's PayPal account / e-mail, use it to run a scam or two, send the money out of the account to another mule and walk away.
They only signed up here like 2 weeks ago, bought the PX access, listed something a bit high end at a good price and then...