[4] The government of Thailand, a major user of the Alpha 6, has ordered double blind testing of the device to determine whether it is effective.
The device is claimed to be able to detect the "molecular signature" of various substances, including drugs, explosives, and ammunition in quantities as small as 15 nanograms, from distances of up to 300 metres (980 ft) away, through walls and under water.
[13] In the retrial Samuel Tree was sentenced to three and a half years while his wife Joan received 300 hours community service.
[15] The head of the OCNB, Police Lt General Krissana Phon-anan, said that the devices work so well that the agency no longer uses dogs to detect narcotics.
Thai Prime Minister Abhisit Vejjajiva ordered scientific tests of the GT200 in February 2010 to verify its claimed effectiveness.
The GT200 was manufactured by the British company, Global Technical, and distributed by its Thai distributor, Avia Satcom Co.[18][19] The Alpha 6 drugs detector case was declared "closed" in May 2018 by Thailand's National Anti-Corruption Commission (NACC) after 10 years of investigation.
[20] The Bangkok Post fumed that, "The disappointing and unsatisfactory outcome of this astoundingly long investigation shows up the enormous failings of the anti-graft commission.