Indiana Code Title 12. Human Services § 12-28-3-4

(1) was under detention by law in a hospital, asylum, or other institution for the insane as an individual 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 individual having been acquired by a court of competent jurisdiction of the state from which the individual fled;  or

(3) was subject to detention in the other state, being then the individual's legal domicile (personal service of process having been made) based on legal proceedings there pending to have the individual declared of unsound mind;