A killer bank robber somehow strangled an inmate in another cell with a bedsheet while locked up in the country's most secure prison. Ishmael Petty, 56, will face trial for allegedly murdering ...

Marmara Prison, the most secure prison in Europe ... "At first, I was placed in a cell in Block 9 and could only communicate with the neighboring prisoners through the door.

El Salvador's notorious maximum-security Terrorism Confinement Center is harsh, dangerous and cruel. And that's just what its supporters say.

Cell phone signal jammers could help reduce crime coordinated from behind bars. But prisoner advocates say other solutions would be better.