Lynch had long history of violence
JOHN Lynch was no stranger to violence and had been deeply affected by the killing of his brother in a gangland hit.
In custody at the time of the murder, Lynch was refused leave to attend the funeral of his 39-year-old brother, David.
John Lynch has a total of 17 previous convictions ranging from burglary and assault to firearms offences and spent a number of years in Castlerea Prison.
On one occasion he was found guilty of assaulting his sister's boyfriend, beating him with a piece of timber.
While serving a four-year prison term for an assault charge relating to a stabbing incident, his brother David was shot dead in their home town of Sligo in January 2008.
David was a violent armed robber with extensive underworld and drug-smuggling connections.
He was caught by gardai in June 1993 while robbing a bank in Longford.
John Lynch was finally released from prison in November 2009.
However, his rage issues remained and were exacerbated by his use of drugs.