學校s推動警察級別監察科技以"保護"學生
Schools Pushing For Police-Grade Surveillance Technology To “Protect” Students
After the most recent school shooting in Parkland, Florida, schools across the U.S. are installing police-grade surveillance “gunshot-detection systems,” metal detectors and even biometric locks requiring facial recognition or a person’s iris, The Atlantic reported.
Hermosa Elementary in Artesia, New Mexico, has installed a network of wireless microphones that can analyze the audio signature of gunfire.
https://www.activistpost.com/2018/10/schools-pushing-for-police-grade-surveillance-technology-to-protect-students.html

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