Criminal charge, including the dismissal of the criminal charge, the dismissal of the criminal charge on the principle of purposefulness, investigate when there are grounds for suspicion that a criminal offense has been committed, urgent evidentiary actions and evidentiary actions when the perpetrator is unknown, belongs to the group designated as a investigation of criminal offense. This is the stage of the previous procedure when there are no primary decisions of the court on the commencement of criminal proceedings. The previous procedure, apart from ciminal prosecution, includes investigation, evidentiary actions and accusation. The state lawyer, as a body of state authority, plays an important role at all stages of the previous proccedings. In the stages of criminal prosecution, therefore the receipt of a criminal charge and during the investigation, the rights and powers of the state lawyer, and the rights and powers of the police and the investigators who act upon the order of the state lawyer are considered. When dealing with a request of the injured party as a plaintiff, the investigation is conducted by the investigating judge who commits the investigator to undertake some of the evidentiary actions. After the investigation is over, the state lawyer charges the indictment.