Jediah Clarke was an inmate at Wayland Prison where he persuaded girlfriend Sophie Emms - who had worked at the jail for more than two years - to bring in spice and cannabis to sell to fellow prisoners.

Sophie Emms (inset) and Wayland Prison (Image: Norfolk Constabulary.Newsquest)

Clarke – who was described as the “commander in chief” of the operation – got Emms involved after the pair started a relationship.

The 43-year-old from London was jailed for six years and two months' in December last year after he was convicted of bringing or........

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