Upon filing of an application by the district attorney, notice to defense counsel, and hearing establishing need for witness protection or preservation of the integrity of evidence, the district court may excuse witness endorsement, or some part thereof. Such proceedings shall be conducted in camera, and the record shall be sealed and filed in the office of the district court clerk, and shall not be opened except by order of the district court.
"I, the undersigned issuing officer, hereby certify and swear that I have read the foregoing information and know the facts and contents thereof and that the facts supporting the criminal charge stated therein are true."
Such a subscription by an issuing officer, in all respects, shall constitute a sworn statement, as if sworn to upon an oath administered by an official authorized by law to administer oaths; and
Okla. Stat. tit. 22, § 303