News about Kim Chon-hae

Millions of prisoners are incarcerated in some of the world's highest security detention facilities, which are operated with military precision. Many of the maximum-security jails are held in the highest regard, with few ever being in breach by an inmate, but that hasn't stopped some from trying. Some of the country's toughest jails include Joaqun 'El Chapo' Guzmán, Mexico's Sinaloa drug cartel's leader, and Unabomber 'Ted' Kaczynski, 79. Prisoner locks are among the items that hold prisoners in their cells. CCTV cameras that track prisoners 24/7, wirelessly operated doors, gesture sensors, and perimeter fences are just a few of the items that keep prisoners locked up in their cells. Some prisoners are allowed to speak at mealtimes, while others provide a platform for stripping people of their individuality - often without referring to them by their names. DailyMail.com investigates the more impenetrable prisons around the world as El Salvador prepares to welcome another wave of violent criminals yet again.