Emmy Nominated! There are nearly half a million mentally ill people serving time in prisons and jails. As sheriffs and prison wardens become the unexpected and ill-equipped gatekeepers of this burgeoning population, they raise a troubling new concern: are jails and prisons our new asylums? FRONTLINE goes inside the prison system to present a searing exploration of the complex and growing topic of mental health behind bars.

*Closed Captioned