A lawyer defending four police accused of assaulting a TV cameraman told a court yesterday that the officers had no reason to fabricate evidence for minor theft charges against the man. In his final submission in the District Court, defence counsel Lawrence Lok, SC, said there was no motive for the alleged evidence tampering and assault. The officers are accused of beating up Wu Wai-lung, 33, on October 21 last year in Tsuen Wan police station to force a confession out of him on suspicion of theft. 'The first defendant [Senior Inspector Chow Kwok-leung] had worked at the unit for about a month at that time and the third defendant [Constable Yeung Jok-shing] had just worked there for four days and would then have been transferred to another station. I wonder why would they conspire to torture Mr Wu and fabricate the evidence when dealing with a minor offence of theft?' Mr Lok said. Chow, 29, Sergeant Li Man, 49, Yeung, 29, and Constable Mak Kam-ming, 45, deny a joint charge of assault occasioning actual bodily harm and another of doing acts tending, and intended, to pervert the course of justice. They also deny one count each of misleading a police officer by making a false statement. Mr Wu had been arrested the night before in Kowloon Tong after being accused of stealing a video camera and a lens from his workplace, Cable TV. No charges were laid against him. Police constables Cheung Tak, 39, and Wong Kwai-ming, 50, who are not accused of assaulting Mr Wu, deny two counts of doing acts tending, and intended, to pervert the course of justice. Prosecutor Gavin Shiu argued that the defendants' evidence was 'unbelievable' and it was 'irresistible' to infer that Mr Wu was beaten up to force a confession. Deputy Judge David Dufton will deliver his verdict on September 1.