Black Dolphin is located near the Kazakhstan border. It gets its informal name from the statue out front, made by the prisoners themselves.
The prison houses about 700 inmates, including cannibals, serial killers, and terrorists.
Combined, the inmates have killed about 3,500 people. That's an average of five murders per inmate.
Black Dolphin inmates are imprisoned for life. Vladimir Nikolayev is doing time for cannibalism.
next slide will load in 15 secondsSkip AdSkip AdNikolayev killed a man during a drunken fight, then dragged him into his bathroom and chopped him up.
He ate some of the body, then gave the rest of the meat to a friend, whose wife served it to his family thinking it was kangaroo. Nikolayev is one of Russia's most notorious murderers.
Black Dolphin prisoners are kept under constant, 24-hour video surveillance.
The cells are set back behind three sets of steel doors. Inmates live in a "cell within a cell."
Two inmates share one 50-square-foot cell.
next slide will load in 15 secondsSkip AdSkip AdGuards make rounds every 15 minutes.
When inmates leave their cells, they're forced to walk bent at the waist. This technique is believed to be unique to Black Dolphin.
Inmates are blindfolded when they walk outside.
These two techniques ensure that prisoners don't have a good understanding of prison layout.
Exercise, consisting of pacing back and forth, takes place in another cell. There is no prison yard.
next slide will load in 15 secondsSkip AdSkip AdDuring exercise time, guards inspect prison cells and check for contraband.
There is no cafeteria in Black Dolphin.
Prisoners eat their meals in their cells.
Inmates are fed soup and bread.
No inmate has ever escaped from Black Dolphin.