Threatening the government officials of the United States is a felony under federal law. Threatening the president of the United States is a felony under 18 U.S.C. § 871, punishable by up to 5 years of imprisonment, that is investigated by the United States Secret Service. Threatening other officials is a Class D or C felony, usually carrying maximum penalties of 5 or 10 years under 18 U.S.C. § 875, 18 U.S.C. § 876 and other statutes, that is investigated by the Federal Bureau of Investigation. When national boundaries are transcended by such a threat, it is considered a terrorist threat.