An investigative or law enforcement officer with responsibility for an ongoing criminal investigation may make application for an order or an extension of an order under section 626A.37 authorizing or approving the installation and use of a pen register, trap and trace device, or mobile tracking device under sections 626A.35 to 626A.39, in writing under oath or equivalent affirmation, to a district court.
An application under subdivision 1 must include:
Minn. Stat. § 626A.36
1988 c 577 s 57, 62; 1989 c 336 art 1 s 9; art 2 s 8