burned when another inmate mixed sugar with boiling water and threw it at him.Shaun Dunn claimed he was getting his revenge in first because he feared Rickie Tait was planning to target him in Perth Prison.Michael Sweeney, prosecuting, said: “Rickie Tait had been in the prison since November 2018 and was in cell 28 with another prisoner.“Shaun Dunn was a prisoner at the time.