I think this is a very good idea, Raina. I was recently contacted by one of the people mentioned above and didn't think anything of it at the time since the message on my facebook was short, non-harassing, and seemed genuine. I didn't pursue the contact further since I don't have time for classes, but hearing a warning about this person now twice in one day (from two different mers and on different sites) is enough to keep me on guard. Thanks again for all that you are doing for the community!