A Minnesota man was arrested and charged with impersonating an FBI agent after he tried to enter a federal jail and release suspected murderer Luigi Mangione, according to law enforcement sources. Mark Anderson, 36, arrived at the Metropolitan Detention Center in Brooklyn, New York, on Wednesday evening claiming he was an FBI agent with a court order for Mangione’s release, according to a criminal complaint filed Thursday and a law enforcement source. When officials with the Bureau of Prisons asked the man for his credentials, according to the complaint, the man provided a Minnesota driver’s license. He also allegedly stated...