If a person (1) mysteriously disappears in the state, or (2) leaves one locality to go to another in the state and fails within a reasonable time to reach the person's destination, or (3) traveling in company with another is separated from the other, or (4) traveling alone mysteriously disappears, a traveling companion or any other person having knowledge of the mysterious disappearance or separation shall notify the commissioner of public safety or a designee in the district in which the disappearance or separation took place of the fact, in writing, stating all the circumstances.
Alaska Legal Code