What are the rules for lawyers majoring in criminal procedure law?

1. What are the provisions of the Criminal Procedure Law on lawyers' practice? 1. In the investigation stage, the criminal suspect has the right to entrust a defender from the day when he is interrogated for the first time by the investigation organ or takes compulsory measures (starting criminal detention); During the investigation, only lawyers can be entrusted as defenders. The defendant has the right to entrust a defender at any time. When interrogating a criminal suspect for the first time or taking compulsory measures against him, the investigation organ shall inform him that he has the right to entrust a defender. 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. The people's court shall, within three days from the date of accepting the case, inform the defendant of the right to entrust a defender. If a criminal suspect or defendant requests to entrust a defender while in custody, the people's court, the people's procuratorate and the public security organ shall promptly convey it. If a criminal suspect or defendant is in custody, his guardian or close relatives (parents, children, brothers and sisters) may also entrust a defender. 2. At the trial stage, a criminal suspect or defendant may entrust one or two persons as defenders in addition to exercising the right of defense. The following persons may be entrusted as defenders: (1) lawyers; (2) A person recommended by a people's organization or the unit to which the criminal suspect or defendant belongs; (3) Guardians, relatives and friends of criminal suspects and defendants. 3, legal aid designated defense criminal suspects and defendants due to financial difficulties or other reasons did not entrust a defender, I and my close relatives can apply to the legal aid institutions. To meet the conditions of legal aid, legal aid institutions shall appoint lawyers to defend them. If the criminal suspect or defendant is a mental patient who is blind, deaf, dumb or has not completely lost the ability to identify or control his own behavior, and has not entrusted a defender, the people's court, the people's procuratorate and the public security organ shall notify the legal aid institution to appoint a lawyer to defend him. If a criminal suspect or defendant may be sentenced to life imprisonment or death without entrusting a defender, the people's court, the people's procuratorate and the public security organ shall notify the legal aid institution to appoint a lawyer to defend him. To sum up, in criminal cases, the requirements for lawyers are very strict, and they need to have the ability of investigation, defense and trial. First of all, they should be able to investigate cases and defend them with strong logical thinking ability. Secondly, they need legal aid in some cases. In a word, litigation lawyers must have good self-quality to defend others.