Check out this article just released last week. This is why you should not do F2F trades with a stranger, unless it's just a small about to buy small goods
https://beincrypto.com/crypto-trader-kidnapped-tortured-ransom/A 39-year-old Hong Kong man was kidnapped on Nov 6, 2021, and held for ransom after agreeing to meet a buyer of Tether in Kowloon Bay in Hong Kong. The man was lured into an industrial building, where he was physically attacked and forced to give up his smartphone and passwords to trading platforms. He was held at a building in Tai Po in northern Hong Kong for almost a week. His captors demanded HK$30M from his family as a ransom