Ala. Code § 13A-10-204

In any case where there is reason to believe that a destructive device, detonator, explosive, bacteriological or biological weapon, or hoax device has been manufactured, possessed, transported, distributed, or used in violation of Act 2009-718 or that there has been an attempt or a conspiracy to commit a violation, the Attorney General, any district attorney, or the persons as may be designated in writing by these officials shall have the same power to compel the attendance of witnesses and the production of evidence before the official in the same manner as the State Fire Marshal or pursuant to the Alabama Rules of Criminal Procedure and the Alabama Rules of Civil Procedure.