FBI agents find 25 guns, 10,000 rounds of ammunition in Boardman teen’s bedroom following online threat

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BOARDMAN, Ohio - A 6-month investigation into an 18-year-old in Mahoning County has resulted in his arrest on charges of threatening to assault a federal law enforcement officer.

The investigation started in February, when agents found comments online from a user who discussed supporting mass shootings.

According to court documents, the user posted a threat to assault federal law enforcement officers writing, "...shoot every agent on sight," in a discussion about the Branch Davidian standoff in Waco in 1993.

Agents met with Justin Olsen, 18, who gave written consent for a search of his car and bedroom, according to a probable cause warrant.

On August 7, agents report they found 10,000 rounds of ammunition, camouflage clothing, camouflaged backpacks, 15 rifles and shotguns and 10 semi-automatic pistols.

Olsen faces one charge for the threat posted online.

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