If they have ignored the posted advice since the ill gotten gains are so good, they will only suffer from full exposure to the legal/financial penalties available for such charges like that of money laundering and check fraud, correct?
And identity theft since the wife filled out a W-9, giving the scammers her full name and SSN; they undoubtedly also have her DOB and sufficient other personal information to run up one hell of a big credit debt. -- "Dance like the photo isn't being tagged; love like you've never been unfriended; and tweet like nobody is following."