Why UK's longest-serving prisoner Hannibal the Cannibal is locked inside a glass cell 23 hours a day
As serial killer Robert Maudsley goes on hunger strike, the Mirror looks at Britain's longest-serving prisoner's lonely life ...
Robert Maudsley has been in solitary confinement in a glass cell since 1979 and is the longest-serving prisoner in Britain, serving 47 years behind bars for the murder of four men in the 1970s.
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