Criminal agency refers to a legal system in which the agent accepts the entrustment of the victims of public prosecution cases and their legal representatives or close relatives, the private prosecutors and their legal representatives in private prosecution cases, and the parties involved in incidental civil litigation and their legal representatives to participate in litigation and conduct activities in the name of the client, and the client bears the legal consequences of the agency behavior.
Generally speaking, criminal defense is applicable to criminal suspects, defendants in public prosecution cases and defendants in private prosecution cases, while criminal agency is applicable to victims in public prosecution cases, private prosecutors in private prosecution cases and parties in incidental civil litigation, and the litigation interests of the two objects are often opposite; In addition, the rights enjoyed by criminal defenders are endowed by law, and there is no question of authorization of defendants and criminal suspects. Their authorization is only to enable defenders to participate in litigation, and whether criminal agents participate in litigation and engage in activities within what scope of authority requires authorization.