Section 5
SEC. 5. Persons appointed as Investigation Agents of the Criminal Investigation Service are peace officers and as such shall have the following powers: To make arrests, searches and seizures in accordance with existing laws and rules; To take sworn statements of persons in relation to cases under investigation; To possess the necessary or adequate firearms for their personal protection in connection with their duties, and for the protection of witnesses or persons under custody: Provided, That previous special permit or license for such possession shall be required.