An entity that is a part of, or which operates licitly or semi-licitly on behalf or in service of, a government agency. Within media manipulation, this may refer to state-run media outlets, operatives working for or with an intelligence or security agency (or other government agency), or other parties that are deliberately working to advance a given state’s objectives with the support, encouragement, or compulsion of the state actor. State actor is a Casebook value under the "Attribution" variable in the code book.