A man has been charged with the murder of Bobby Ryan, whose body was found at the bottom of a disused slurry tank almost four years ago.
The suspect was arrested by investigating officers in the Tipperary town area last night and taken to the local garda station.
The 49-year-old suspect was charged with the murder and will appear before Tipperary district court this morning.
Mr Ryan (52), a separated father of two, who used the stage name Mr Moonlight when he worked weekends as a DJ, had been classified as a missing person for almost two years before his body was discovered on April 30, 2013.
Detectives arrested the suspect initially in June 2014, but the man was released without charge after questioning. A woman was also arrested and questioned about allegedly withholding information at the time, but she was also released.
The suspect was arrested for a second time in June 2015 after gardaí uncovered fresh evidence in their long-running inquiries.
That arrest followed a detailed examination of a computer that had been seized from the suspect earlier in the investigation.
Officers later completed a file for the Director of Public Prosecutions (DPP) and after receiving instructions back from the DPP yesterday, gardaí detained the suspect and brought him to Tipperary garda station.
The development ended a lengthy campaign by Mr Ryan's family, who had constantly highlighted his disappearance and murder.
His brother John said: "Bobby was known the length and breadth of Tipperary from his work driving a lorry and also as a DJ. He was a loveable rogue.
"He disappeared just before the June bank holiday weekend."
The remains of Mr Ryan, who was from Boherlahan, Cashel, Co Tipperary, were found in a concrete slurry tank on a farm at Fawnagowan, Co Tipperary.
The last words John Ryan heard from Bobby before he disappeared were "I'll see ya".
Mr Ryan had been due to drive to work at Killough Quarry, near Thurles, but after he failed to arrive, his family were alerted. Michelle Ryan found her father's abandoned Citroen van in Bansha woods a few hours later.
He had set out for work from the home of his partner, Mary Lowry, shortly after 6am in June 2011.
Despite extensive searches of the surrounding area, the remains were not discovered until the underground tank was opened up.
Since then, local gardaí, backed up by detectives from the national bureau of criminal investigation, collected a substantial dossier of information, including the results of detailed technical inquiries and also re-examined footage taken from CCTV cameras. Officers had not searched the slurry tank previously because they had not known it existed. It had been covered by undergrowth and a concrete slab.