I’m not asking about gun laws. That’s about the gun lobby. My question is why aren’t there metal detectors for schools? Has it been tried?
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A lot of schools do have metal detectors. However they are not useful at preventing school shootings. A lot of kids have various metallic objects with them. So you need people searching those who trigger the metal detector. If you think the airport security lines are long just imagine the line of school kids late for class trying to enter the school having to wait for teachers or security guards to search them. To make this possible at all you turn down the sensitivity of the metal detectors so they do not even trigger for most firearms.
And then comes the problem of actually sealing all entrances at all times. The kids spend all day at school and have a lot of time to explore. They will find ways of getting things around the metal detectors. This is why people who work at airports needs security clearances because it is assumed that they will find ways to cheat the system. A child might even try to cheat the system for the fun of it.
So basically the metal detectors at schools do not work. And those who have them anyway know that they do not work, but want to appear to take school shootings seriously.
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