The FBI arrested an alleged right-wing extremist who had amassed 1,000 rounds of ammunition and was said to be plotting a mass shooting.

A complaint filed in federal court and obtained by the Statesman on Monday stated that a search warrant was executed on the home of 50-year-old Steven Thomas Boehle after a confidential informant said that he was planning a shooting spree.

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According to the complaint, Boehle “exhibits sovereign citizen extremism ideology.”

Although Boehle is prohibited from owning firearms due to a 1993 assault on a intimate partner, three guns were found in his home.

He was charged with making false statements about his criminal history while trying to buy additional firearms from gun dealers in the Austin area.

Watch a video report below from CBS Austin.