Legal analysis: lawyers do not have the right to take evidence, there is no law that requires lawyers to take evidence must be two people.
Legal basis: "Chinese people's **** and the State Criminal Procedure Law" Article 116 Interrogation of criminal suspects must be carried out by the people's procuratorate or the public security organs of the investigators in charge. There shall be no fewer than two investigators at the time of interrogation. After a criminal suspect has been delivered into the custody of a detention center, the investigator's interrogation of the suspect shall be conducted in the detention center. The transcript of the interrogation shall be written with a pen, brush or other writing instrument capable of preserving handwriting for a long period of time. Interrogation transcripts of the first part of the contents of the filling to be complete, shall not be omitted.