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Last Updated: Monday, 18 September 2006, 18:57 GMT 19:57 UK
Cell phone sniffer dog on trial
Murphy at Norwich Prison
Murphy has been trained to sniff out mobile phones
Britain's first mobile phone sniffer dog has been tested out at Norwich Prison.

Murphy, an English Springer Spaniel, has been specially trained to hunt out the mobile phone handsets - which have a particular scent.

Mobiles are a big security risk in prisons. They have been used to plot escapes, threaten court witnesses and organise crime on the outside.

About 500 have been found in jails in East Anglia in the past year.

About 60 mobile phones have been found in searches inside Norwich Prison during the past 12 months, with prisoners prepared to pay 500 to get hold of one.

Mel Barker, the dog trainer at Norwich Prison, said: "Every mobile phone has a scent which is unique to mobile phones. So we've homed in on that."

The dog, which is 15 months old, came from an animal home in Ipswich, Suffolk.


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