The isolation units at California's Pelican Bay prison hold more than 1,200 inmates. They live in small, windowless cells, often for years, with virtually no human contact. The system was designed ...

Critics say the jail’s cage-like enclosures constitute a form of solitary confinement that exacerbates mental illness and ...

Inmates in their cell at Menard Correctional Center during a media tour of the prison in Chester, Ill., on Tuesday, May 20, 2014. The prison houses 3,733 inmates in its maximum and medium-security ...

Dec. 14, 2009— -- Amanda Knox's prison cell is situated behind two secure doors, one a series of bars and the other "a big metal thing" with a small window. When Associated Press reporter ...

ALTIPLANO FEDERAL PRISON, Mexico—Cell No. 20, where Mexican drug kingpin Joaquín “El Chapo” Guzmán spent more than a year locked up, is a gloomy, narrow space with stained white walls and ...

The bird perched for a moment on the bars. Its beak was bright yellow. Even its brown plumage, amid all the prison gray, seemed colorful.

Everything in prison is about routine. I’m an early riser. I like to wake up at five every morning, while it’s still dark outside and only the dim lights of the gallery illuminate my cell.