A Minnesota man was charged Thursday with impersonating an FBI agent after he showed up at a federal prison in New York City ...

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 Anthony Anderson, 36, from Minnesota, allegedly made the attempt at the Metropolitan Detention Center in Brooklyn on Wednesday evening.

A man was arrested on Wednesday for allegedly impersonating an FBI agent and trying to free Luigi Mangione, according to federal court filings and a law enforcement source.

Mark Anderson, 36, of Mankato, Minnesota, was arrested and charged with impersonating an FBI agent in a foiled bid to free Mangione from the Metropolitan Detention Center, the notorious Brooklyn ...

An FBI agent received an email, saying, "We'll see how tough you are when I firebomb [physical address], Cincinnati, OH 45242 ...

Luigi Mangione is being held in the notorious Metropolitan Detention Center in Brooklyn, New York, on charges of killing UnitedHealthcare CEO Brian Thompson.

A federal complaint and the FBI say Brenna Doyle left three voicemails with the threats because of the agent's employment in Minnesota.

A Schaumburg man has been arrested on charges of doxing and threatening an FBI agent whose information was stolen from a government vehicle during a protest over an immigration-related shooting in ...