Man impersonating FBI agent allegedly tried to break Mangione out of jail

A man unsuccessfully attempted to interruption accused slayer Luigi Mangione retired from jailhouse by impersonating an FBI cause Wednesday evening, according to a instrumentality enforcement source. A transgression ailment shows Mark Anderson was charged with 1 number of impersonating a federal officer.  Anderson showed up to the Brooklyn jail where Mangione is being held astatine conscionable earlier 7 p.m., according to the complaint, and allegedly claiming helium was…