Hangman Maximum Security Prison

Located on the southeastern point of Earth country's 'Great Plateau,' near Grass Country. The facility houses some of the world's most dangerous criminals, and is especially infamous for the labor prisoners are subjected to. Called 'Hangman', because a large percentage of inmates eventually succumb to the harsh conditions and meet their premature demise. Rumored to experiment on inmates, though Iwagakure neither confirms nor denies. During the destruction of Iwa the prison was bombed and broken into releasing several dangerous individuals back into the Ninja world, how many escaped is unknown