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Glandeuse Pinéale
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Dwarf helicopter sniffs out cannabis plantations
Published: Tuesday 28 April 2009 11:29 UTC
Last updated: Tuesday 28 April 2009 12:20 UTC
Police in the northeastern Achterhoek region have begun using an unmanned miniature helicopter to track down the illegal cultivation of cannabis, which often takes place indoors. The so-called "canna-chopper" is fitted with cameras and a sniffer to take air samples out of ventilator shafts and chimneys. A dedicated gas analyser is able to recognise traces of weed smell in the air samples.
article here: Radio Netherlands