Legal basis: Article 36 of the Criminal Procedure Law of People's Republic of China (PRC). Defense lawyers may consult, extract and copy the litigation documents and technical appraisal materials of this case from the date when the people's procuratorate examines and prosecutes the case, and may meet and correspond with the criminal suspect in custody. Other defenders, with the permission of the People's Procuratorate, may also consult, extract and copy the above-mentioned materials, and meet and correspond with criminal suspects in custody.