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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Rather cloudy but mainly dry with some brightness tomorrow.
Frost free tonight then mainly dry and bright tomorrow.
Sutty from the Pets as Therapy charity is one popular visitor on the Children's wards, helping brighten up the day for poorly patients.