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Police say they seized 23 guns from the home of a 13-year-old who appeared to idolize mass shooters

A 13-year-old in Pierce County was arrested after authorities seized 23 firearms, including unsecured weapons and materials referencing past mass shootings, preventing a potential attack.

  • A 13-year-old boy pleaded not guilty today in Pierce County, Washington, after police arrested him and seized 23 firearms from his home.
  • Authorities initiated the investigation following community tips about social media posts in which the boy boasted about firearm access and intentions to kill.
  • Deputies found a large quantity of weapons, including homemade firearms and loaded magazines with school shooter writings, alongside clothing and writings typical of mass shooting scenarios.
  • Sheriff's Deputy Carly Cappetto indicated that all the warning signs pointed to a serious threat, and a review of the teen's detention is planned for September 22.
  • The teen remains in juvenile detention while investigators continue reviewing evidence and probing potential charges against his parents for firearm storage violations.
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By Lauren Mascarenhas, CNN When police arrested a 13-year-old boy in Washington state last week for making death threats, they discovered he was “all set to commit a mass shooting,” including an arsenal of more than 20 guns in his home. The boy was arrested after the Pierce County Sheriff’s Office received information last Friday from an internet watchdog group that reports threatening posts online, Deputy Carly Cappetto told CNN. “After reviewi…

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Center

By Lauren Mascarenhas, CNN When police arrested a 13-year-old boy in Washington state last week for making death threats, they discovered he was “all set to commit a mass shooting,” including an arsenal of more than 20 guns in his home. The boy was arrested after the Pierce County Sheriff’s Office received information last Friday from an internet watchdog group that reports threatening posts online, Deputy Carly Cappetto told CNN. “After reviewi…

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The Post Millennial broke the news in Toronto, Canada on Monday, September 8, 2025.
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