A person alleged to be of unsound mind found in this state, who has fled from another state, shall, on demand of the executive authority of the state from which the person fled, be delivered up to be removed to the state where, at the time of the flight the person
(1) was under detention by law in a hospital, asylum, or other institution for the insane as a person of unsound mind;
(2) had been determined by legal proceedings to be of unsound mind, the finding being unreversed and in full force and effect, and the control of the person having been acquired by a court of competent jurisdiction of the state from which the person fled; or
(3) was subject to detention in that state, which was then the person's legal domicile (personal service of process having been made) based on legal proceedings there pending to have the person declared of unsound mind.