Columbine shooting

2022 - 5 - 25

Columbine Columbine

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Image courtesy of "9News.com KUSA"

Father of Daniel Mauser, who was killed in the Columbine shooting ... (9News.com KUSA)

Tom Mauser became a leader in the Colorado effort that closed the loophole that allowed people to purchase firearms at a gun show without a background ...

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