An investigation has been launched at a Leicestershire prison after a shoe insole on which an inmate had written an obscene message has turned up in a shop.The insole had been made at Gartree Prison, near Market Harborough, for distribution to shops across the country.One with an obscene message was spotted by staff at children's shoe shop, Maddie and Mark's in Edinburgh.The Daily Record reported that the message was too obscene for publication.However, the newspaper reported that the prisoner...
