1. The details of handling criminal cases are as follows:
(1) At the investigation stage, the public security organ may impose criminal detention on the flagrante delicto or major suspect. The detained person shall be interrogated within 24 hours after detention;
(2) At the stage of examination and prosecution, the criminal suspect has the right to entrust a defender from the date when the case is transferred for examination and prosecution. The people's procuratorate shall, within three days from the date of receiving the case materials transferred for examination and prosecution, inform the criminal suspect that he has the right to entrust a defender;
(3) At the trial stage, the people's court shall, after examining the case in which a public prosecution was initiated, decide to hold a hearing if the facts of the crime alleged in the indictment are clear and attached with a list of evidence, a list of witnesses and a copy or photo of the main evidence.
2. Legal basis: Article 3 of the Procedures for Handling Criminal Cases by Public Security Organs.
The basic functions and powers of public security organs in criminal proceedings are: filing, investigating and pre-examining criminal cases according to law; Decide and implement compulsory measures; Failing to pursue criminal responsibility according to law and not filing a case, or having filed a case and revoked it; The case that should be prosecuted after the investigation is completed shall be transferred to the people's procuratorate for examination and decision; If a criminal suspect who is not serious enough for criminal punishment needs administrative treatment, he shall be dealt with according to law or transferred to relevant departments for handling; For criminals sentenced to fixed-term imprisonment, if the remaining sentence is less than three months before delivery for execution, they will execute the punishment on their behalf; Execution of criminal detention, deprivation of political rights and deportation.
Second, what are the reasons for not being detained after being criminally filed?
The reason for not detaining you is that there is not enough evidence to detain you.
The public security organ may impose criminal detention on an active criminal or a major suspect. Detainees should be questioned within 24 hours after detention. A criminal suspect may hire a lawyer to provide him with legal advice, complaints and accusations after the first interrogation by the investigation organ or from the day when compulsory measures are taken.