Behind Bars: The World's Toughest Prisons: Season 2, Episode 5

2 - 5: El Hongo, Tecate, Mexico

El Hongo is a high-security bunker in Mexico´s desert. With sensors, cameras, mobile phone jammers, this prison is a veritable high-tech fortress. Snipers on fifteen guard towers make sure that nothing can get in or out. El Hongo is deemed perfectly incorruptible in a country where corruption runs through all levels of society like cancer.