First: Once the police have filed a case, they can check the transfer address from exchanges such as Binance to check the real-name account.

Second: It is almost impossible to recover the TG chat history. Finally, someone added him and said that the money has been laundered.

Third: This article is just my analysis and spiritual food to help others. You can read it or not. There is no need to comment that it is useless to post it.