Successfully reported this slideshow.
We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. You can change your ad preferences anytime.

Fighting Criminals with a Divining Rod: The GT200 and the Mexican Government

The GT200 is a fraudulent device that "helps" people find drugs and explosives. Actually, the GT200 is an 21st century divining rod.

In this talk, I will be addressing the use of this device by the Mexican government (army, federal police, oil company, etc.)

  • Be the first to comment

  • Be the first to like this

Fighting Criminals with a Divining Rod: The GT200 and the Mexican Government

  1. 1. Fighting Criminals with a Divining Rod: The GT200 and the Mexican Government <ul><li>Lino Coria </li></ul><ul><li>Twitter: @linocoria </li></ul>
  2. 2. Mexico... a few years ago
  3. 3. Mexico... today
  4. 4. Mexican drug war
  5. 5. How does the Mexican Government protects its army? <ul><li>Giving them the GT200: </li></ul><ul><ul><li>A so-called “remote substance detector” </li></ul></ul><ul><ul><li>Made by UK-based Global Technical Ltd </li></ul></ul><ul><ul><li>It “detects” various substances including explosives and drugs. </li></ul></ul>
  6. 6. More about the GT200 <ul><li>The GT200 has many iterations: Sniffex, ADE651, HEDDI </li></ul><ul><li>The UK Government has banned the export of such devices to Iraq and Afghanistan </li></ul><ul><li>The government of Thailand spent $21 million on the GT200 but has now accepted that the device is completely ineffective at detecting explosives </li></ul>
  7. 7. How does it work? <ul><li>The GT200 consists of three main components: </li></ul><ul><ul><li>A swivelling antenna </li></ul></ul><ul><ul><li>A Plastic handgrip </li></ul></ul><ul><ul><li>Sensor cards </li></ul></ul><ul><li>It requires no battery or other power source and is said to be powered solely by the user's static electricity </li></ul>
  8. 8. In other words...
  9. 9. So how does it actually work? <ul><li>The antenna is not stable </li></ul><ul><li>People move the device unconsciously (ideomotor effect) </li></ul>
  10. 10. What about the media? <ul><li>Mexican media has mostly ignored this issue </li></ul><ul><li>A few science promoters have written about this </li></ul><ul><li>The most reliable sources however: Mexican bloggers </li></ul><ul><ul><li>Blogger Andrés Tonini has done lots of research </li></ul></ul>
  11. 11. Asking Questions <ul><li>Tonini has been asking governmental agencies why they purchased the GT200 </li></ul><ul><li>Some agencies have replied </li></ul><ul><li>PEMEX (Mexican Oil Industry) explains that there was a committee (names provided) and tests where made: the GT200 is effective, they concluded </li></ul>
  12. 12. My Question <ul><li>Is this GT200 issue a matter of corruption or lack of knowledge on how to perform scientific tests (like the double-blind method?) </li></ul>
  13. 13. What can we do? <ul><li>Keep blogging! </li></ul><ul><li>Be bilingual </li></ul><ul><li>Be nicer </li></ul><ul><li>Also: We need a celebrity (there is no Spanish-speaking Richard Dawkins or James Randi) </li></ul>
  14. 14. Links <ul><li>Visit to find links related to this talk: </li></ul><ul><ul><li>News </li></ul></ul><ul><ul><li>Videos </li></ul></ul><ul><ul><li>Wikipedia pages </li></ul></ul><ul><ul><li>Mexican skeptics blogs </li></ul></ul>
  15. 15. Questions? <ul><li>Lino Coria </li></ul><ul><ul><li> </li></ul></ul><ul><ul><li>@linocoria </li></ul></ul><ul><ul><li>[email_address] </li></ul></ul>