From the comments it looks like lots of us have had run-ins with those SOB scammers. Our world is absolutely full of criminals. Years ago Frau G’s Uncle gave somebody over the phone his bank account info. They took $20,000 which the bank covered. I trust nobody these days.
Mark Rober, a former NASA engineer, has some pretty informative and entertaining videos on YouTube about how he got even with scammers. Here’s one: