What does a lawyer do in the first stage of a criminal case?

Legal analysis: The first stage of a criminal case is the investigation stage, which is the beginning of a criminal case. When the parties are arrested, personal freedom is restricted, which means that the case enters the investigation stage. From this stage, the parties began to lose contact with the outside world, and the work of lawyers began.

Legal basis: Article 38 of the Criminal Procedure Law of People's Republic of China (PRC), defense lawyers can provide legal assistance to criminal suspects during investigation; Acting as an agent for complaints and accusations; Apply for changing compulsory measures; Ask the investigation organ about the crimes and cases suspected by the criminal suspect, and put forward opinions.