Supported by the United States Marshals Service Office of Protective Intelligence; Deputy U.S. Marshals in the District of Massachusetts Protective Intelligence Unit (PIU) works to identify and mitigate inappropriate communications and threats that are directed at U.S. Marshals Service protected persons and facilities. The unit also manages the Regional Threat Management Group, a conglomerate of federal, state and local agencies that share information pertaining to protective intelligence matters. PIU operates 24 hours a day to provide for the safety and security of the United States Judiciary. PIU also investigates and seeks indictments pertaining to violations of Federal Law in relation to threats.