Sec. 16. (a) A law enforcement officer may not:
(1) direct;
(2) encourage; or
(3) knowingly permit;
a person who is not a law enforcement officer to question an individual whom a reasonable officer would believe is in custody if the questioning is reasonably likely to elicit an incriminating response.
(b) A statement obtained in violation of subsection (a) is not admissible in a criminal, child welfare, or juvenile proceeding. However, this subsection does not apply to evidence discovered as a result of the statement.