Michigan Compiled Laws, Chapter 201. Vacancies in Office § 201.11

Sec. 11. Whenever charges shall be made against any prosecuting attorney as provided in section 7(6) of this chapter,  1 the governor shall direct the attorney general, or the prosecuting attorney of some county adjoining that in which the accused resides, or some other attorney at law, to conduct the inquiry into such charges, and such officer or attorney, when so directed, shall have and exercise the same powers to conduct such inquiry, and shall proceed therein in the same manner, as the prosecuting attorney of the proper county is authorized and required to do in other cases.