A Midlands company has helped develop a gun which fires pellets filled with artificial DNA from a distance of up to 40 metres.
The bullets leave a unique tell-tale mark on the suspect which is only visible under ultraviolet light.
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Police have begun searching a lake at a park in Coventry as they continue their investigation into the disappearance of Nicola Payne.
A dry evening, rain in the morning.
Cool, mainly dry night. Milder with occasionally heavy rain tomorrow.