Colm Murphy, Irish republican who is the first person to be convicted in connection with the Omagh bombing, but whose conviction is overturned on appeal, is born on August 18, 1952, in Belleeks, County Armagh, Northern Ireland.

Murphy is an active Irish republican paramilitary from his late teens. In March 1972, he is arrested in Dundalk regarding an assault and is sentenced to two years in prison after the Garda Síochána find a loaded revolver in his car. He is imprisoned in the Curragh Camp but escapes in October 1972, and is not recaptured until May 1973. In June 1976, he is imprisoned again, receiving a three-year sentence for firearms offences and a one-year sentence for Provisional Irish Republican Army membership, both sentences to run concurrently. In July 1983, he is arrested in the United States after attempting to buy a consignment of M60 machine guns to be shipped to Ireland for use by the Irish National Liberation Army (INLA). He receives a five-year prison sentence but returns to Ireland in December 1985 after being released early.

In the late 1980s, Murphy begins investing in property and forms a company named Emerald Enterprises in 1990. He purchases the Emerald Bar public house in Dundalk for IR£100,000, and it later becomes a meeting place for dissident republicans. Other investments included 30 acres of land in Drogheda bought for IR£52,000 in 1995, and his company wins contracts for an IR£11 million development at Dublin City University (DCU) and the multi-million pound International Financial Services Centre in the Dublin Docklands.

Murphy is arrested by the Gardaí on February 21, 1999 for questioning under anti-terrorist legislation. On February 24, he becomes the first person to be charged in connection with the Omagh bombing, when he appears before Dublin‘s Special Criminal Court and is charged with conspiring to cause an explosion under the terms of Ireland’s Offences Against the State Act, between August 13-16, 1998. He is also charged with membership in an illegal organisation, the Real Irish Republican Army (RIRA).

On October 10, 2000, the BBC television show Panorama names Murphy as one of four people connected with the Omagh bombing, along with Seamus Daly and Liam Campbell. In 2001, he undertakes legal action against the BBC and Daily Mail publishers Associated Newspapers for contempt of court. The action against Associated Newspapers is settled on July 31, 2001, and the newspaper releases a statement saying Murphy is entitled to be presumed innocent of the charges against him until proven guilty.

Murphy’s trial begins at Special Criminal Court in Dublin on October 12, 2001. The court hears that Murphy had supplied two mobile phones which were used during the bombing. One witness, Murphy’s second cousin, retracts his evidence and the judge calls the conduct of two detectives outrageous, saying they had persistently lied under cross-examination. Despite this, on January 22, 2002, he is convicted of conspiring to cause the Omagh bombing, and on January 25 is sentenced to 14 years imprisonment with the judge describing him as a long-time republican extremist.

On January 21, 2005, Murphy’s conviction is overturned and a new trial ordered, due to the invasion of Murphy’s presumption of innocence, and alteration of Gardaí interview notes and evidence presented by two officers. A week later, his legal case against the BBC is resolved, with the BBC issuing a statement that Murphy “was fully entitled to maintain his innocence of the charges against him and to test the evidence against him at his trial.”

On October 23, 2006, two Gardaí officers are found not guilty of perjuring themselves during Murphy’s trial. On May 23, 2007, it is announced that Murphy is suffering from short-term memory loss resulting from a car accident in 1988. His lawyers attempt to prevent a retrial taking place, on the grounds that his condition interferes with his right to a fair hearing. The Court of Criminal Appeal is scheduled to hear his case again in October 2008. Following a retrial held in January 2010, he is acquitted on February 24, 2010.

In 2009, Murphy is one of four men found by a civil court to be liable for the Omagh bombing in a case taken by relatives of the victims. On July 7, 2011, in Belfast High Court, Lord Justice Malachy Higgins directs a retrial of the civil claims against Murphy. He questions evidence surrounding emails from U.S. undercover agent David Rupert while overturning the judgment on Murphy. The paucity of the email evidence, the lack of consistency in the emails or at least ambiguity, the possibility of initials referring to someone other than Murphy and the fact that they refer on occasions to double hearsay considerably weaken the emails as evidence, he says. Following a civil retrial on March 20, 2013, Murphy and Seamus Daly are found liable for involvement in the bombing.

Murphy dies peacefully of degenerative lung disease at the age of 70 on April 18, 2023, at Our Lady of Lourdes Hospital in Drogheda, County Louth.