The disappearance and killing of Gretchen Harrington in Broomall, Pa., had been a mystery for decades. The authorities said on Monday that a former leader at the girl’s church had been charged.
Tag: Marietta (Ga)
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Schools Are Spending Billions on High-Tech Defense for Mass Shootings
The market for weapon detectors and crisis alert badges in schools is booming. But there are questions about whether the new technology is effective.