Key events of investigation

December 7, 2000: Trevor goes to Copper Face Jacks with friends. December 8: After leaving the club he arrives at his office at 3.30am. He has coffee with a colleague working the late shift and leaves just after 4am. At 4.14am he is recorded on CCTV outside the Bank of Ireland at Haddington Road and Baggot Street Bridge. It is the last known sighting of Trevor. April 2017: CCTV footage is released showing a man dressed in black outside the office building. August 12, 2017: Gardai begin searching land in Chapelizod, South Dublin, as part of their investigation.