AR-15: The Gun Behind So Many Mass Shootings

The AR-15 assault rifle is commonly used in mass shootings in the United States. Here's a closer look at likely reasons why.
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The AR-15 assault rifle is commonly used in mass shootings in the United States. Here's a closer look at likely reasons why.

Florida school shooting suspect legally bought rifle, was reported to the FBI for online threat

February 15, 2018 10:31 AM