2. Tangipahoa Parish Jail

A new sheriff battles violence and neglect in a crumbling Louisiana jail.

3. Suffolk County Correctional Facility

As an opioid epidemic grips the county, a law-and-order sheriff uses rehabilitation to help inmates break the cycle of addiction while officers work around the clock to maintain safety, security and order inside one of New York's busiest jails.

4. Wood County Jail

After nearly two decades of economic decline and a surge in methamphetamine use, Wood County, Wisconsin opened a new $93 million jail, where staff face mounting pressure to help a community searching for a way forward.

5. San Francisco County Jail

San Francisco's largest jail battles addiction and offers a path forward.

6. Flagler County Jail

At Florida's Flagler County Jail, law and order Sheriff Rick Staly takes a tough approach to corrections while battling the revolving door of repeat offenders through discipline, rehabilitation, and recovery programs designed to break the cycle of crime.