The Garda have renewed their appeal for information about the killing of Dun Laoghaire teenager Raonaid Murray a day before the fourth anniversary of her murder.
A reward of €190,000 has been pledged for information leading to the prosecution of the Raonaid's killer.
She was found dead near her home in Glenageary in the early hours of September 4th 1999.
Gardaí say that despite "an extensive and ongoing investigation" no one has so far been charged in connection with her murder.
They are appealing in particular for anybody who can may have seen Raonaid between 11.20 p.m. when she left Scott's Public House to approximately 12.30 a.m. when her body was found.
Gardaí are assuring members of the public that any information they have will be treated confidentially.
The Detective Unit at Dun Laoghaire Garda Station can be contacted at 01 6665012 or 6665000. The Garda Confidential Line can also be used on 1800 666 111.