Appeal for information on killers of PSNI Constable Ronan Kerr on 10th anniversary of his murder Murdered PSNI officer Ronan Kerr. Police have issued an appeal for information on the 10th anniversary of his killing. 02 April, 2021 01:00 POLICE have issued an appeal for information about the murder of PSNI officer Ronan Kerr on the 10th anniversary of the dissident republican attack which claimed his life. The 25-year-old died when a bomb exploded under his car as he left his home in Highfield Close, outside Omagh, on April 2, 2011. He was on his way to work in Enniskillen and had been with the organisation for just one year when he was murdered.