On September 3, 1999, the young Dublin girl was smiling as usual. She had spent the day working at the Sally West shop in Dun Laoghaire and the weekend was ahead.
When she finished work she made her way down to the Portview Hotel, her former place of employment, to meet friends. Embarrassed to go in, she made a phonecall from the coin box outside but while on the phone met her pal.
The pair went to Scotts. While there Raonaid borrowed her friend’s phone and rang other friends who were out in nearby Dalkey. She arranged to hook up with one just before midnight to go to Paparazzi nightclub. But before that she decided to make the short walk home to change her clothes.
It was a decision that was to have catastrophic results.
Within an hour Raonaid would be dead, after suffering severe stab wounds in a callous and vicious attack. Her body was found at Silchester Crescent in Glenageary at 12.33am, less than 500 yards from her home.
Sixteen years on and Gardai are still working hard on bringing her killer to justice.
They've not given up hope of solving the murder and are pleading for anybody who may have information to come forward.
"Gardai remain fully committed to the investigation into Raonaid’s murder," a spokesperson said. "The Incident Room remains in situ at Dun Laoghaire Garda Station.
"The Serious Crime Review Team at NBCI, Garda HQ continue to provide invaluable assistance to the investigation team at Dun Laoghaire."
Speaking at Dun Laoghaire Garda Station, Detective Superintendent Kevin Dolan made the following appeal:
"Anybody with any information which could assist in identifying a motive for the murder of Raonaid and/or if any person has any doubts about the veracity of an alibi provided, we would appeal for your immediate assistance. You may be unknowingly shielding a killer.”
Raonaid’s family also appealed to the public for any information which may lead to the arrest of her killer.
The Gardai and Raonaid’s family implore anyone with information to contact the Garda Incident Room at Dun Laoghaire Garda Station, phone 01-6665000 / 6665012 or alternatively the Garda Confidential line at 1800 666 111 or any Garda Station.
"The solving of this murder is of the utmost priority for An Garda Síochána and any information received will be treated with absolute confidentiality," the spokesperson said.
"The Garda investigation team wish to thank the public for the invaluable assistance provided in this ongoing investigation to date. We would like to remind the public that there is a reward available from Crimestoppers - Freephone 1800 25 00 25 for critical information."