NOVEMBER 23, 2012 23:00
Engineer invents device to detect convicted sex offenders
"The father of a 4-year-old boy has invented a machine that triggers an alarm when a convicted sex offender wearing an electronic monitoring anklet approaches.
Dubbed the “electronic anklet detector,” the device rings an alarm when a convicted sex offender wearing an anklet approaches within 30 minutes.
Inventor Hong Gwang-ui, 43, said, “Whenever I watched news on violent sex crimes, I got infuriated as a father,” adding, “After racking my brain over how to prevent sex crimes, I developed this machine.” "
http://english.donga.com/srv/service.php3?bicode=040000&biid=2012112447908
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