Secondly, it stands to reason that before the criminal trial, you should go to the thief himself to negotiate compensation, and then decide whether to sign a letter of understanding according to the specific situation, or you can give the procuratorate a sentencing plot. Now that the case has been decided, if the thief insists on not returning it, and you don't have any evidence of the thief's personal property, even if the civil lawsuit finally wins, it will be difficult to get the money.