Any judge, receiver, or trustee having reasonable grounds for believing that any violation under chapter 9 of this title or other laws of the United States relating to insolvent debtors, receiverships or reorganization plans has been committed, or that an investigation should be had in connection therewith, shall report to the appropriate United States attorney all the facts and circumstances of the case, the names of the witnesses and the offense or offenses believed to have been committed. Where one of such officers has made such report, the others need not do so.