Robert Maudsley has been in prison for nearly 50 years (Image: Unknown)
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Monster Robert Maudsley who is serving a life sentence for murdering four people has been locked away in a glass box in Wakefield Prison for more than 40 years.
Maudsley, from Toxteth, Liverpool, was just 21 when he committed his first murder in 1974.
The serial killer, who had been working as a rent boy at the time, butchered one of his clients, John Farrell.
The murder was so violent, cops named him "blue" because of the colour of his face.
Maudsley was arrested and eventually convicted of murder. He was jailed with the recommendation he should never be released.
Monstrous Maudsley has been kept on solitary confinement for more than 40 years
Then he was sent to Broadmoor Hospital – known to house some of the UK's most violent prisoners.
His first three years behind bars were relatively quiet – until 1977, when he and fellow prisoner David Cheeseman barricaded themselves in a cell with child molester David Francis.
For the next nine hours the pair brutally tortured Francis – including Maudsley shoving a spoon so far into his ear, it wedged into his brain.
By the time guards broke the door down, Francis was dead.
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The following year, monstrous Maudsley strangled and stabbed wife-killer Salney Darwood in his cell, before hiding the body under his bed.
Then he hunted prison corridors for his next victim – Bill Roberts, who had been jailed for sexually abusing a seven-year-old girl.
He stabbed Roberts to death before hacking at his skull with a makeshift dagger.
After the bloodshed, Maudsley calmly walked up to a prison guard and chillingly said there would be two fewer people at dinner that night.
His rampage rung alarm bells for prison bosses who deemed him too dangerous to mix with the general prison population and a special cell was constructed to keep him in.
Maudsley was dumped in an orphanage as an infant with his 11 siblings
(Image: Liverpool Echo WS)
The cell, which was completed in 1983, was dubbed the glass cage – as it resembled Anthony Hopkins' cell in Silence of the Lambs.
At 5.5mx4.5m, it's surrounded by bulletproof glass which prison guards peer into to keep a close eye on him.
The only furniture is a table and a chair, which are both made of compressed cardboard, while his toilet and sink are bolted to the floor.
Maudsley's bed is a concrete slab and the door is made of solid steel, which opens into a cage just inside.
The see-through walls contain a slit through which guards pass him meals and other things he needs.
He is entombed in the cage for 23 hours a day, only allowed out to exercise for one hour. When he goes to the exercise yard, he's escorted by six guards and he's never given access to any other inmates.
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When interviewed, Maudsley said he felt "tortured" in solitary confinement and claimed his speech has suffered from never speaking to anyone.
He said: "I feel no officer takes any interest in me and they're only concerned with when to open the door and then to make sure I get back in my cell as soon as possible.
"I think an officer could stop and talk a bit but they never do and it's these thoughts that I think about most of the time."
Maudsley has claimed the confinement has given him flashbacks to his childhood, when he was regularly locked away and beaten.
The serial killer had an abusive childhood at the hands of his father. After being dumped in an orphanage as an infant, his parents brought him and his 11 siblings home when he was eight.
He was regularly hit and often took extra beatings to protect his siblings. Once, he was locked in a room for six months, with his only human contact coming from beatings from his dad.
In the year 2000 Maudsley asked for the terms of his imprisonment to be relaxed – begging for a pet budgie or, if that request was denied, a cyanide capsule so he could end his life.
Both requests were turned down, leaving him to live out his days in the glass cell underneath Wakefield Prison