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(745 ILCS 22/5)
As used in this Act, "federal law enforcement
officer" means any officer, agent or employee of the federal government
commissioned by federal statute to make arrests for violations of federal
criminal laws, including but not limited to, all criminal investigators of:
(a) The United States Department of Justice, the
Federal Bureau of Investigation, the Drug Enforcement Agency and all United States Marshals or Deputy United States Marshals whose duties involve the enforcement of federal criminal laws;
(a-5) The United States Department of Homeland
Security, United States Citizenship and Immigration Services, United States Coast Guard, United States Customs and Border Protection, and United States Immigration and Customs Enforcement;
(b) The United States Department of the Treasury, the
Alcohol and Tobacco Tax and Trade Bureau, and the United States Secret Service;
(c) The United States Internal Revenue Service;
(d) The United States General Services Administration;
(e) The United States Postal Service;
(f) (Blank); and
(g) The United States Department of Defense.
(Source: P.A. 99-651, eff. 1-1-17