Residents of a housing estate in Aberdeen were shocked when police paid them a nighttime visit, showing them a picture of a dead woman's bloodied face and asking if they knew her. The woman had fallen to her death from Tung Hing House in Lei Tung Estate and police were trying to identify her. One resident said her parents had been so upset they could not sleep. 'My parents were very shocked.' Karen Keung said. 'It was already very discomforting to hear someone had jumped to their death from the same building you lived in. It was even more discomforting to see the picture of the dead face.' She said her parents were at home between 9pm and 10pm on Tuesday when someone knocked on the door. They opened it to see two police officers who showed them the picture. Ms Keung said they did not know the woman. 'My parents couldn't sleep well all night.' Ms Keung was not at home at the time of the visit but said she had seen two policemen knocking on neighbours' doors when she left the flat at about 9pm. She complained yesterday to the executive officer of the Democratic Party's Southern District Council Office, Lo Kin-hei, who referred the complaint to the police. 'We understand the police officers had to find out the identity of the dead woman, but clearly they should adopt a less disturbing method,' Mr Lo said. But Democrat lawmaker James To Kun-sun, deputy chairman of the Legislative Council's security panel, thought showing a dead person's picture to residents during an identification process was acceptable. 'Of course, it might be better if the police officers explained to the residents they were going to show a picture of a dead person beforehand.' The panel's chairman, Lau Kong-wah, said the police might not have detailed guidelines for investigating different cases and the officers may have been trying to identify the woman as quickly as possible. But police insisted they had internal guidelines for such cases and said residents had been warned of the nature of the picture. Officers had to conduct door-to-door inquiries with the photograph since no identity document was found, a spokesman said. He said only the face was shown. Police have still not been able to identify the woman.