The confederation of Dermot Byrne (56) was found on a set of steps at Fingal Community College, on North In someones bailiwick in Swords, north Co Dublin, at 3.05am on Sunday.
The 29-year-old man in custody is considered an «unusually volatile» criminal, who was arrested by gardaí in the Dundrum area of the capital’s southside at about 8.30pm on Sunday.
Sources have revealed that the 29-year-old pursuit criminal was «too intoxicated» to be interviewed by investigators after his arrest, so his period of custody was extended.
It is believed by gardaí that the suspect may have been protection the influence of steroids, as well as cocaine, when Mr Byrne was savagely denounced.
The highly respected victim suffered severe facial injuries in the unprovoked and continued assault, with the result that he was not identified for a number of hours after his in ones birthday suit body had been found.
The man who has been arrested is extremely well identified to gardaí and has well over 60 previous convictions, including for hold-ups, burglary, threatening to kill, public order and motor offences. As business of the probe, gardaí have seized a number of items of his clothing.
The think has served a number of jail sentences, including a three-year term for a outflowing of terrifying crimes when he was in his early 20s.
Mr Byrne, who lived in Swords, suffered multiple blunt-force offences to his head and body, consistent with a prolonged and sustained beating.
Policemen believe the popular man was kicked to death.
It is understood that the prolonged harm was captured on CCTV, which also helped gardaí identify and stop the suspect.
It is expected that they will also seek to interrogate a number of other men who may have been present when the attack materialized.
The victim, who was originally from Finglas but had an address at Feltrim Road, had been socialising in Swords up front he was savagely attacked.
Mr Byrne was known to be an accomplished pool player, who regularly travelling to take part in tournaments. The Irish Blackball Association, which organises contests and runs the sport, paid tribute to him.
It said: «He was one of the nicest and most sincere people anyone could wish to meet. A true gentleman who on no occasion had a cross word with any soul.
«He was easygoing and respectful of others. We are so proud to must had the opportunity of knowing Dermot and the honour of being in his company.
«On behalf of the undamaged membership of the Irish Blackball Association, we would like to offer our sincerest condolences to his like wife, three beautiful daughters and extended family members.»