Upon an application made under §§ 23A-35A-24 and 23A-35A-25, the court shall enter an ex parte order authorizing the installation and use of a pen register or a trap and trace device within the jurisdiction of the court if the court finds that the law enforcement or investigative officer has certified to the court that the information likely to be obtained by the installation and use is relevant to an ongoing criminal investigation.
SDCL 23A-35A-26