Joanna Yeates Murder: Police Hunting Killer Might Take DNA from Thousands

'As the inquiry enters its fourth week, officers are keeping open every available option as pressure mounts on them to come up with a breakthrough. Mass DNA tests have cracked several murder cases that police had virtually given up hope of solving. Police are understood to have obtained a DNA sample from Miss Yeates’s body that they believe could have come from her killer, and which would be compared with samples taken from men living in Bristol, where she was murdered. Some of the city’s public figures say they support the idea of mass DNA testing, including Kerry McCarthy, Labour MP for Bristol East, and Canon Alan Finley, of Clifton Catholic Cathedral. About 200,000 males over the age of 16 live in Bristol, but DNA testing would be likely to begin with screening of the 5,000 men living in the suburb of Clifton, where Miss Yeates lived.'Read more: