While the murder is not feud-related, all movements in the St Mary’s Park are closely monitored by gardaí as known gang members live there. As part of this operation, the entire area is covered by CCTV cameras.
Mr Boyce, who served in the Irish army between 1956 and 1962, did a tour of duty with the UN in the Congo in 1961, where he was involved in one engagement with the Baluba tribe who carried out the Niemba ambush in which nine Irish soldiers died.
Mr Boyce, 72, was awarded the UN medal for his service in the Congo.
His body was discovered at the house where he lived alone at 150 St Munchin’s Street, St Mary’s Park on Monday.
As the investigation progressed yesterday, it is believed detectives are focusing on the movements of two individuals, one of whom was recently released after serving a prison sentence.
Known for his violence, this man in his 20s, has moved out of St Mary’s Park and now lives in another part of the city
Telecommunications specialist gardaí at Henry Street were yesterday trawling footage picked up by street cameras located in the large council estate known as the Island Field.
Mr Boyce suffered numerous injuries and his body was found in an upstairs bedroom which his attacker locked before fleeing the scene.
The alarm was raised after his next door neighbour, Christy McNamara, who trains the Munster Junior Rugby team, became concerned.
His family had a key to Mr Boyce’s house, but could not get into the locked upstairs room where the body was.
Mr Boyce’s funeral will take place on Saturday, with burial at Mount St Oliver cemetery following Mass at St Mary’s Church. The removal will take place from Cross’s funeral home at 6pm on Friday.
His brother David and sister Noreen are returning home from England.
Although he served in the defence forces it will not be a military funeral. A spokesman for the army said military funerals are only accorded to serving members of the defence forces and those who retired after 21 years service.
Supt Frank O’Brien described it as a “terrible attack on a well-respected member of the community” and appealed for anybody with information to come forward.