Tucked into the high plains of Fremont County, a two-hour drive southwest of Denver, is America’s highest-security prison: ADX Florence, the only federal prison with a Supermax designation. The ...

FIRST ON FOX — Eight federal inmates — once on death row for murders, including the killings of fellow prisoners, gang-related stabbings, and the slayings of two campers — have been transferred to a ...

In a series of unpublished letters obtained by Mexican media, Joaquín "El Chapo" Guzmán, the former Sinaloa cartel leader and once one of the world's most wanted criminals, claims that conditions at ...