The two men who allegedly planned an attack at the Pokemon World Championships in Boston last year are due back in court Thursday morning.
Kevin Norton and James Stumbo are expected to enter not guilty please.
They face numerous charges, including unlawful possession of a shotgun.
According to investigators, the men drove to Boston from Iowa last August after posting threats on social media.
Prosecutors said they had an AR-15 and nearly 300 rounds of ammunition in their car.
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