was decided to withhold the findings of an HMIC investigation which revealed further inadequacies within the force. Hunter sought legal advice, and Curran was allowed to retire before the statutory procedure to remove a chief constable was started. Lee Freeman, a former assistant chief constable in Lincolnshire from August 2013 who had joined Humberside in May 2015, took over as deputy chief constable on Curran's departure. He was appointed temporary chief constable in May 2017 and the position was made permanent on 26 June 2017. Officers killed in the line of duty The Police Roll of Honour Trust and Police Memorial Trust list and commemorate all British police officers killed in the line of duty. Since its establishment in 1984, the Police Memorial Trust has erected 50 memorials nationally to some of those officers. Since the formation of Humberside Police six officers have been killed in the line of duty, these officers are: September 1979 Police Constable, Linton Andee Le Blanc, 19, killed when his patrol car crashed when responding to a burglar alarm call January 1998 Police Constable Steven Stimpson, 33, accidentally killed when his traffic patrol car left the road and crashed August 1998 Police Constable James Heaton, 30, fatally injured when his traffic car crashed when responding to an accident September 1998 Police Constable Jonathan Templeton, 37, collapsed and died of heart failure whilst on duty at Hedon police station July 2003 Police Constable Robert Douglas, 44, killed in a road traffic accident returning from his duties at the airport April 2015 Police Constable Russell Wylie, 28, during the morning of Monday 13 April 2015 he was on routine motorcycle patrol when he was involved in a collision with a car on the B1362, Burstwick, East Riding of Yorkshire. He was airlifted to Hull Royal Infirmary, however his injuries proved to be fatal. He was a traffic officer based at Melton. Notable incidents and investigations Notable major incidents and investigations in which Humberside Police have been involved in include: July 2010: Northumbria Police manhunt: Humberside Police was involved in the major police manhunt for Raoul Moat who, upon release from prison, shot his ex-girlfriend's new partner, his ex-girlfriend and the then serving traffic police Officer, PC David Rathband. Humberside Police, along with other police forces, provided mutual aid to Northumbria Police by providing armed police officer to assist in the armed police coverage and search for Raoul