For reports of scammers using other people's callsigns. Remember that any callsigns listed in this forum are likely innocent bystanders (subjects of identity theft) and, thus, are probably not guilty of anything. For bad transactions with verified ham operators, use the Feedback Forum instead.
Someone posing as AF6IV responded to my WANTED ad and offered to sell me a Watkins-Johnson RS-111C receiver. When I asked for photos of the front and rear panels, (s)he took cover. No response; no photos.