Yup, too long ago for this scam, but the dating scam. Woman from Russia, a number of nice email conversations, then she wants to come to meet me. I suggest we meet in the EU, splitting expenses, and of course that will not work. Push it a few more times (absolutely not picking up the option she's pushing to "send money to help with my airfare to the US"), and surprise, I got ghosted. This scammer/scam-team at least seemed to fairly quickly pick up the signs of a non-cooperative target.