The Minnesota man was charged with impersonating an FBI agent after he showed up at a federal prison in New York City claiming to have a court order to release 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...