From your link, the definition of foreign power includes: "a foreign-based political organization, not substantially composed of United States persons" And, a

From your link, the definition of foreign power includes: "a foreign-based political organization, not substantially composed of United States persons" And, a foreign agent can be: "knowingly engages in sabotage or international terrorism, or activities that are in preparation therefor, for or on behalf of a foreign power" That kind of language is so loose. A good legal team could easily claim something something something Antifa foreign influence burned down a Target to meet that legal definition.