The Utah State Prison houses 4,000 dangerous criminals and violent gangs.

The struggles of prison guard recruits in Wyoming.

Guards use military-like discipline and force to stay in control.

Recruits at the understaffed Wyoming State Penitentiary.

First-time offenders at Iowa's Fort Dodge Correctional Facility.

There's a constant struggle for control inside Alexander Correctional Prison.

The overcrowded Multnomah County Detention Center may be worse than prison.