How are lawyers involved in criminal cases?

1. During the investigation stage, criminal defense lawyers provide legal assistance to criminal suspects. After the public security organs, people's procuratorates and other legal organs conducting investigation of the suspect's first interrogation or the date of compulsory measures, the law firm can accept the criminal suspect or his relatives, assigned lawyers to meet with the suspect, criminal defense lawyers can provide legal advice, representation of the complaint, accusation, the suspect is detained, can apply for a bail pending trial. 2, At the stage of examination and prosecution, the criminal defense lawyer acts as the defender or litigation agent. Criminal case by the investigating authorities to the people's procuratorate for review and prosecution, the lawyer can accept the suspect himself or his friends and relatives entrusted to act as a defender; can accept the victim and his legal representative or close relatives, civil litigants entrusted to act as litigation agent. In the review and prosecution stage, as a defender of the lawyer can access, excerpts, copy the case materials, with the suspect meeting or correspondence, investigation, collection of materials related to the case, put forward the defense or representation. In the review and prosecution stage is detained for an extended period of time, defense lawyers have the right to request the release of the suspect or change the compulsory measures, the implementation of bail pending trial. 3, the trial stage, the criminal defense lawyers as a first instance, second instance public prosecution case of the defense. At this stage, the lawyer has the right to go to the people's court to inspect, excerpt, copy the case materials, meet with the defendant in custody, according to the actual situation of the law, investigation, collection of evidence and materials related to the case, apply to the people's court to notify the witness, appraiser, investigation and examination of transcripts made by the witness, apply for re-appraisal, participate in court investigations, published defense, etc.. After the first instance verdict can meet with the defendant, listen to the content of the verdict and whether to appeal, and give legal help. 4, the trial stage, criminal defense lawyers act as the prosecutor of the case of the victim's litigation agent. The lawyer should cooperate with the public prosecutor, according to law, exercise the function of prosecution, and the defendant and his defense debate, on behalf of the victims on the conviction and sentence of legal claims. To summarize, lawyers representing criminal cases provide legal assistance to suspects in the investigation stage, examination and prosecution and trial stage. The standard of attorney's fee for criminal cases is formulated according to the level of local economic development, the difficulty of the case, the time and effort spent, etc. Generally speaking, the attorney's fee for the investigation stage is implemented according to the standard of two thousand to six thousand. Criminal suspects have financial difficulties, can not afford, you can apply for legal aid.