BLACK ABYSS
Moscow terrorists face Putin’s cannibal-filled Black Dolphin prison where inmates are hogtied & the only escape is DEATH
Read on to find out about some of the worst inmates locked up inside the hellhole prison
THE TERRORISTS responsible for the Moscow massacre face being jailed in Russia's notorious Black Dolphin prison.
The hellhole jail, dubbed the "island of hell", is home to 700 of Russia's most ruthless paedophiles, cannibals and serial killers.
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The high-security prison, located near the border of Kazakhstan, is considered escape-proof - as inmates are being watched around the clock.
One of the oldest prisons in Russia, the Black Dolphin holds 700 people who combined have killed over 3,500.
The jail is reserved for the most blood-thirsty criminals such as serial killers, cannibals and Chechen terrorists.
Meaning it could be where the Moscow terrorists will end up after opening fire at the city's concert hall killing 137 people, including children.
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In an interview for National Geographic's documentary Inside Russia's Toughest Prisons, guard Denis Avsyuk said: "The main crime committed by the convicts here is murder. But we also have maniacs, paedophiles, and terrorists.
"To call them people, it makes your tongue bend backwards just to say it. I have never felt any sympathy for them."
The prison is named after a dolphin sculpture, created by the inmates that sits on the grass at the front of the reception.
Inmates are isolated in a single cell behind three sets of bars - essentially being kept inside a tiny cell-within-a-cell.
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They are only allowed to leave their cell for 90 minutes per day which they spend inside a concrete exercise yard.
They are kept under 24-hour supervision, with guards checking them every 15 minutes while there is constant CCTV camera cell surveillance.
They eat soup and bread four times a day and when they are transported outside their cells they are forced to walk bent downwards - and sometimes even blindfolded.
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The prison is also home to twisted cannibal Vladimir Nikolayevich Nikolayev who gave some of his victim's flesh to an acquaintance who fed it to his family, telling them it was "kangaroo" meat.
Nikolai Astankov - who was locked up in the jail - told National Geographic: "If you constantly think about what is here, what is waiting for you, that you won't ever get free, that you are left here alone, you simply won't make it."
Astankov was jailed for killing an entire family then burning their bodies in the forest.
He added: "You are constantly being filmed in your cell, so you're being watched around the clock.
"Also, there are light and motion detectors, plus every 15 minutes a guard goes through the cells so you must constantly be attentive."
The prison has attracted controversy in recent years after it was compared by campaigners to the evil Soviet gulags.
Inmates have been known to mutilate themselves in protest at their living conditions.
It has been reported that the four men accused by Russia of carrying out the Crocus City Hall shooting on March 22, could now spend the rest of their lives inside the Black Dolphin prison.
The men, who have been named as Dalerdzhon Mirzoyev, 32, Saidakrami Rachabalizoda, 30, Mukhammadsobir Fayzov, 19, and Shamsidin Fariduni, 25, could face life imprisonment.
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Rachabalizoda and Fariduni pleaded guilty to some of the charges against them, while Mirzoyev "admitted his guilt in full".
Fayzov has also been charged with acts of terrorism and all four are being kept in custody pending trial on May 22.
Vladimir Putin declared Sunday a national day of mourning after vowing to punish all those behind the attack.
The four men accused of opening fire on crowds were forced into a courtroom on Sunday bloodied and bruised.
Images from a Moscow district court showed one of the suspects sitting in the defendant's cage with a bandage over his severed ear.
Courtroom pictures published by Russian media also showed another suspect brought in on a wheelchair apparently missing an eye.
Another had a black eye and a ripped plastic bag around his neck, and a fourth suspect with a swollen face seemed disoriented and struggling to keep his eyes open.
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The men, identified by Russian media as all being citizens of the ex-Soviet republic of Tajikistan living in Russia, would be remanded in pre-trial custody until May 22.
So far 11 people have been detained, including the four suspected gunmen, who fled the concert hall and made their way to the Bryansk region, about 340 km southwest of Moscow.
Moscow Crocus City Hall massacre
ON FRIDAY 22nd March four masked gunmen stormed a busy concert hall in Moscow, shooting down hundreds of innocent civilians.
In the deadliest attack Russia has seen for over 20 years, the ISIS-K terrorists killed at least 139 people and wounded almost 200 more.
Around 6,000 people were believed to have been inside the venue watching Russian rock band Picnic when the attack began.
The gunmen began shooting civilians at point-blank range - through glass doors, turnstiles and then the concert hall itself, traumatised witnesses said.
They even set fire to the building in an attempt to prevent anyone getting out alive.
And devastating footage showed piles of bodies outside the blackened concert venue on the western edge of Moscow.
The bodies of whole families were found with dead mothers embracing their dead children, Russian media reported.
ISIS claimed responsibility for the massacre and even released a picture apparently showing the four suspects posing next to the death cult's flag before storming the hall.
Russia's security service (FSB) launched a massive manhunt on Saturday to catch those responsible and detained 11 suspects, including the four men later hauled into court.
Twisted footage of their interrogations was later released online, showing one with his ear cut off and fed to him and another having his genitals electrocuted.
Overnight on Sunday they were dragged into a Moscow court to be sentenced, with grim pictures showing their bruised, bloody and unconscious faces in glass cages.
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