Mr. Quirke is currently serving a life sentence for the murder of the DJ, also known as Mr. Moonlight.
The Supreme Court has ruled Tipperary farmer Patrick Quirke's conviction for the murder of Bobby Ryan still stands, and his application for a re-trial has been dismissed.
Mr. Quirke is currently serving a life sentence for the murder of the DJ, also known as Mr. Moonlight.
In March, the court ruled a warrant to search Patrick Quirke's computer was unlawful.
However today, a seven judge panel unanimously dismissed the application for a retrial submitted by Quirke's lawyers.

Minister Announces Nationwide IPAS Security Review Following Drogheda Fire
Man Arrested After Suspected Gun Incident On M4 Near Kilcock - Garda Cars Damaged
Man In His 30s Dies After Being Struck By Bus On N7 At Kill
Loved Ones To Say Final Farewell To Ryan Weir Gibbons On Friday As Funeral Details Announced
Kildare Animal Welfare Group Condemns Dog’s Death After Suspected Firework Attack In Meath
Pedestrian Hit By Bus On The Naas Road Near Kill
"Memories We’ll cherish Forever": Friends Mourn Ryan Gibbons As Murder Inquiry Begins
DJ Carey To Be Sentenced On Monday - Barrister Pleads For Leniency Citing His "Stunning Fall From Grace"