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 posing as an FBI agent tried to break Luigi Mangione out of prison, police sources have claimed.

The 36-year-old allegedly traveled from Minnesota to New York City, before entering the Metropolitan Detention Center in Brooklyn and telling officers he was with the Federal Bureau of Investigation, ...