3520 BTC stolen by social engineering attack victim is an elderly American

On April 30th, according to ZachXBT, the stolen funds of 3520 BTC (about $331 million) have started to be laundered through at least 6 flash exchange platforms and exchanged for XMR, causing a short-term surge in XMR price. It has now been confirmed that this incident is a social engineering scam targeting an elderly person in the United States, and the source of the funds at the address involved is "quite suspicious".