A couple face jail after being found guilty of making bogus bomb detectors in their garden shed. Husband and wife Samuel and Joan Tree made "outlandish claims" that their devices could track down explosives and drugs. Alpha 6, marketed through company Keygrove, were simply plastic boxes made in China with an antennae strapped onto them and torn-up pieces of paper inside, and sold for US$2000 ( ￡1,171). About 1500 devices were made in their back garden and sold to agents, suppliers and to Police and security services around the world. They claimed that the Alpha 6 could detect substances as small as 15 billionths of a gram at a range of up to 500 metres, powered simply by static electricity from the user's body.
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