51 Pa.C.S. § 5201
(a) Persons authorized to apprehend.— Any person authorized by this part, by 10 U.S.C. Ch. 47 (relating to Uniform Code of Military Justice) or by regulations issued under:
(f) Definition.— As used in this section, the following words and phrases shall have the meanings given to them in this subsection unless the context clearly indicates otherwise: