[jdean]

I would try to PM or email the person with the questions you have, or with any issues you are aware of where there is information that is misleading or inaccurate and give them a chance to either explain or correct.

If after this step they are still a scoundrel, at least they had their chance to come clean before any public statements are made.

If this person has a documented general history of being a scam artist, I think most folks would like to know about it before buying from them.