I'd even venture so far as to say that it might be a good idea to rename it to "Known Scammer - Beware!", or to include it in a thread of that nature, that can be (hopefully not) added to as incidents (hopefully don't) arise.
Fear is a biggie right about now and alot of people are probably considering taking this kind of chance.
Worry is a misuse of imagination
“She had blue skin, And so did he. He kept it hid And so did she.
They searched for blue Their whole life through, Then passed right by- And never knew.” Shel Silverstein