in Fremantle. The tasering had been deemed lawful by a police internal investigation but was described as unlawful, unreasonable and oppressive in a report by the state's Corruption and Crime Commission. He was found guilty of two counts of common assault against the motorist and received an eight-month suspended prison sentence. Keenan was also ordered to pay a fine of $1,500 and court costs of almost $16,500. Charges brought against serving police officers 2010 'Clothes-line' attack on motorbike riders In 2010, a senior constable in WA Police's 'specialist enforcement and operations team' was charged with two counts of 'assault causing bodily harm' and one of 'causing bodily harm by an action or lack of action', after allegedly tying a rope across a Karawara path known to be used by motorbike riders. Two boys, aged 15 and 16, were knocked off their bikes with a police spokesman describing their injuries as "believed to be serious, but not life-threatening". The officer was due to attend Perth magistrates court on 4 Jan 2011. 2019 Police officer twice convicted of assault In Feb 2019, ABC news reported that WA police senior constable, Nathan Robert Trenberth was filmed repeatedly punching a 20-year-old man in the head during Skyshow celebrations. The magistrate described his use of force as 'unreasonable' and convicted the officer of assault and fined him $1,500. Trenberth had a second conviction for assault in relation to an arrest of a man at a 2006 Australia Day fireworks display. See also Constable Care Western Australia Police Pipe Band Crime in Western Australia Police misconduct Perth Mint Swindle Andrew Mallard John Quigley References Footnotes Sources Western Australia Police Force Annual Reports (Series from 2001) Western Australian Year Book 1974. Lieutenant-Governor Stirling's Proclamation of the Colony, 18 June 1829 (UK) Western Australia Police Service 2003 WA Parliamentary Select Committee on the Western Australian Police Service Interim Report, June 1996 Episodes in Western Australia's Policing History (1834-2002) on official website External links Western Australia Police Force website Crime Stoppers WA Neighbourhood Watch Office of Crime Prevention Police aviation Law enforcement agencies of Western Australia 1834 establishments in Australia Emergency services in Western Australia