It is obviously legal for lawyers to defend criminals. The right of defense refers to a litigation right that criminal suspects and defendants are given by law to defend and refute charges in criminal proceedings. The right of criminal defense refers to the right of criminal suspects and defendants to refute and defend charges in criminal proceedings, which is a litigation right endowed by the Constitution and laws. The defendant has the right to defend himself.
Legal basis:
Article 125 of the Constitution of People's Republic of China (PRC) provides that the defendant has the right to defense.
Criminal Procedure Law of the People's Republic of China
Article 11 The defendant has the right to defense, and the people's court has the obligation to guarantee the defendant's right to defense.
Article 93 When interrogating a criminal suspect, investigators should first ask whether the criminal suspect has committed a crime, let him state the circumstances of guilt or plead not guilty, and then ask him questions. A criminal suspect has the right to refuse to answer questions unrelated to the crime.