Alaska Stat. § 47.24.015
(c) The department or its designee shall immediately terminate an investigation under this section upon the request of the vulnerable adult who is the subject of the report made under AS 47.24.010. However, the department or its designee may not terminate the investigation if the investigation to that point has resulted in probable cause to believe that the vulnerable adult is in need of protective services and the request is made personally by the vulnerable adult and the vulnerable adult is not competent to make the request on the adult's own behalf, or the request is made by the vulnerable adult's guardian, attorney-in-fact, or surrogate decision maker and that person is the alleged perpetrator of the undue influence, abandonment, exploitation, abuse, or neglect of the vulnerable adult and is being investigated under this chapter. If the department has probable cause to believe that the vulnerable adult is in need of protective services,