Mental Illness - As enacted, requires a qualified mental health professional or behavior analyst to warn or protect an identified victim or group of people when the professional or analyst determines that a service recipient has communicated an intent for actual threat of bodily harm; requires the professional or behavior analyst to report such threat; provides immunity from civil, criminal, and regulatory liability for a professional or analyst who takes reasonable action to warn or protect identified victims or groups and to report such threat. - Amends TCA Section 33-3-206.