What should I do if I am cheated by a training institution? Is the alarm useful? " As follows: Yes. The public security organ can file a case if the amount of fraud is more than 202/kloc-0. If the amount of fraud is huge and suspected of fraud, it shall report the case to the public security organ in time. The public security organs should file a case for investigation, and only after solving the case can they catch the criminal suspect and recover the stolen money.