1. How long is the investigation period of a criminal case?
The investigation period of criminal cases is two months, as follows:
1. The detention period for investigation after the arrest of a criminal suspect 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.
2, due to special reasons, in a long period of time is not suitable for trial of particularly important and complicated cases, by the Supreme People's Procuratorate submitted to the NPC Standing Committee for approval to postpone the trial.
3. If the investigation of the following cases cannot be concluded within the time limit stipulated in Article 124 of this Law, it may be extended for two months with the approval or decision of the people's procuratorate of the province, autonomous region or municipality directly under the Central Government:
(1) Major and complicated cases in remote areas with very inconvenient transportation;
(2) Major criminal group cases;
(3) Major and complicated escape criminal cases;
(4) Major and complicated cases involving a wide range and difficulties in obtaining evidence.
4. If the criminal suspect may be sentenced to fixed-term imprisonment of more than 10 years, and the investigation cannot be concluded after the extension according to the provisions of Article 126 of this Law, it may be extended for another two months with the approval or decision of the people's procuratorate of the province, autonomous region or municipality directly under the Central Government.
5. In the course of investigation, if the criminal suspect is found to have committed other important criminal acts, the period of investigation detention shall be recalculated according to the provisions of Article 124 of this Law from the date of discovery.
Reminder: If a criminal suspect does not tell his real name and address and his identity is unknown, the period of investigation and detention shall be counted from the date when his identity is ascertained, but the investigation and evidence collection of his criminal acts shall not be stopped. If the facts of the crime are clear and the evidence is true and sufficient, they may also be transferred to the people's procuratorate for examination and prosecution according to their self-reported names.
Two. When does the investigation period of criminal cases begin to count?
1. The investigation period of a criminal case shall be counted from the date when the case-handling organ files the case.
2. After the case is put on file, the case-handling organ shall conduct an investigation, collect and obtain evidence of the criminal suspect's guilt or innocence, and the crime is light or heavy.
3. Legal basis: Article 115th of the Criminal Procedure Law of People's Republic of China (PRC).
Third, can lawyers intervene in the investigation of criminal cases?
During the criminal investigation, lawyers shall not interfere.
According to the relevant provisions of the Criminal Procedure Law, lawyers have the right to meet only in the investigation stage, and they can consult relevant files and materials in the relevant departments from the date when the case is transferred for review and prosecution.