Overview

• Tristan Anderson, 22, was arrested on August 28 and is charged with criminal threatening and harm or threats to certain government officials.
• Probable cause documents quote messages saying he would target Gov. Kelly Ayotte with a “weapon of mass destruction” and include antisemitic rhetoric.
• A roommate told police he showed her metal tubes, nuts and bolts, and said he was dismantling fireworks to make pipe bombs.
• Anderson remains held without bail as the case moves through superior court, with prosecutors indicating additional charges could follow during indictment.
• Police say the threat came to light after the roommate’s screenshots were shared with her ex-boyfriend, who contacted Pembroke police, and officials have declined further comment beyond court filings.