An 18-year-old Ohio man has been arrested on state and federal charges after investigators said he made threats against federal law enforcement and Planned Parenthood, authorities said.
According to an FBI affidavit posted by The Vindicator newspaper in Youngstown, Ohio, Alaska-based FBI agents in February began monitoring the iFunny account of Justin Olsen, who posted under the name "ArmyOfChrist."
The investigation began "based upon the observation by FBI Anchorage into multiple Internet postings in which ArmyOfChrist discussed supporting mass shootings, and assault and/or targeting of Planned Parenthood," according to the affidavit.
In June, "ArmyOfChrist" posted, "In conclusion, shoot every federal agent on sight," when engaged with another iFunny user about the siege of a Branch Davidians compound in Waco, Texas, in 1993, according to the affidavit.
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In July, the account was linked to Olsen, according to the affidavit. The following month, an FBI investigator found more online posts from Olsen, including one that urged "don't comply with gun laws, stock up on stuff they could ban," and "even the Oklahoma City bombing shows that armed resistance is a viable method of political change," according to the affidavit.
Also included in the posts was another, "In conclusion, shoot every federal agent on sight."
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According to the affidavit, Olsen was arrested on state charges Aug. 7 and, in an interview, told the FBI that his posts were "only a joke."
The report states Olsen gave the FBI written consent to search his bedroom in his father's house in Boardman, Ohio, and when officers entered the home, they saw about 300 rounds of ammunition on the stairway leading to the second floor.
According to the affidavit, officers swept the house and found about 10,000 rounds of ammo, 15 rifles (including assault rifles), shotguns and approximately 10 semiautomatic pistols.
Olsen was booked into the Mahoning County Jail on state charges of telecommunications harassment and aggravated menacing on Aug. 7. The federal charge of threatening a federal law enforcement officer was added Monday, according to the Mahoning County Jail's website.
This article originally appeared on USA TODAY: Ohio teen arrested after online posts threatening federal agents