What procedures do lawyers need to go through when they meet the criminal suspect at the detention center?

legal analysis: lawyers need to prepare the following materials when they go to the detention center to meet criminal suspects: 1. Power of attorney; 2. Official letter from the law firm; 3. Special letter of introduction for lawyers to meet with criminal suspects and defendants; 4. A copy of the client's ID card; 5, household registration certificate or marriage certificate or proof of kinship; 6. Lawyer's practice certificate. With the above materials, you can handle the meeting notice, meeting notice and letter of introduction and meet at the detention center.

Legal basis: Article 39 of the Criminal Procedure Law of the People's Republic of China * * * * A defense lawyer may meet and correspond with a criminal suspect or defendant in custody. Other defenders, with the approval of the people's courts and people's procuratorates, may meet and correspond with criminal suspects and defendants in custody. If a defender holds a lawyer's practice certificate, a law firm's certificate and power of attorney, and a letter of legal aid to ask for a meeting with the criminal suspect or defendant in custody, the detention center shall arrange the meeting in time, which shall not exceed 48 hours at the latest. If a defense lawyer meets a criminal suspect in custody during the investigation of a crime endangering national security or a terrorist activity, it shall be approved by the investigation organ.