Minnesota man Mark Anderson was armed with a BBQ fork and pizza cutter when he was arrested at a Brooklyn jail for allegedly posing as an FBI agent to free Luigi Mangione.

A man allegedly posed as a federal agent to accused CEO killer Luigi Magione out of his Brooklyn jail holding centre.

Mark Anderson, 35, was arrested at the Metropolitan Detention Center in Brooklyn late Wednesday after prison workers asked to see his credentials and he produced a Minnesota driver’s license and “clai...