Luxury mattress confiscated from cell of Limerick gangland murderer

Christopher Costello (pictured) of the McCarthy-Dundon crime gang was convicted of murdering rival crime boss Kieran Keane in 2003. File picture: Kieran Clancy
A convicted Limerick gangland murderer has been found with an unauthorised luxury mattress in his jail cell.
Christopher Costello of the McCarthy-Dundon crime gang who was convicted of murdering rival crime boss Kieran Keane in 2003 had previously received extra jail time after mobile phones were found in his cell.