It is related to the severity of the plot. If a criminal case is not complicated and the case is simple, the trial will end in five to six months. If it is more complicated, the longest probation period is about two years. According to the regulations, the period of investigation and detention of criminal suspects after arrest shall not exceed two months. Article 156 of the Criminal Procedure Law: The period of investigation and detention of a criminal suspect after arrest shall not exceed two months. If the case is complicated and cannot be concluded at the expiration of the time limit, it may be extended for one month with the approval of the people's procuratorate at the next higher level.
Legal objectivity:
Article 173 of the Criminal Procedure Law of People's Republic of China (PRC), when examining a case, the people's procuratorate shall interrogate the criminal suspect, listen to the opinions of the defender or the lawyer on duty, the victim and his agent ad litem, and record them. If the defender or the lawyer on duty, the victim and his agent ad litem put forward written opinions, they shall attach a volume. If a criminal suspect pleads guilty and admits punishment, the people's procuratorate shall inform him of his litigation rights and the legal provisions of pleading guilty and admitting punishment, listen to the opinions of the criminal suspect, defender or lawyer on duty, victim and his agent ad litem on the following matters, and record them: (1) Suspected criminal facts, charges and applicable legal provisions; (2) Suggestions on a lighter, mitigated or exempted punishment; (3) Procedures applicable to the trial of cases after pleading guilty and admitting punishment; (four) other matters that need to listen to opinions. If the people's procuratorate listens to the opinions of the lawyers on duty in accordance with the provisions of the preceding two paragraphs, it shall provide necessary convenience for the lawyers on duty to know the relevant situation of the case in advance.