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The Maryland Correctional Institution for Women.

Convicted sex offenders at Fremont Correctional in Colorado.

At the Wayne County Jail, officers and counsellors struggle to rehabilitate female offenders, including thieves, drug addicts and prostitutes.

Colorado's Youthful Offender System aims to break down criminal habits and gang mentalities, from first-time convicts to street-savvy veterans.

Criminals in Cleveland, Ohio must pass through the Cuyahoga County Jail.

Inmates in the largest county jail in Denver take advantage of the run down facility.

Brutal gang wars rage inside Bexar County Jail; these are the officers in the middle of the war.

Officers at Hillsborough County Jail in Tampa, Fla. keep inmates safe and under control.

Sacramento County Jail; a couple is charged with torture; a woman's addictions land her in jail.

Violent murders escalate in Juarez, making it the murder capital of Mexico.