Legal analysis: lawyers have a duty of confidentiality, can not disclose the case to people other than the client. Unless the client agrees. Of course, generally speaking, the immediate family is not included in the duty of confidentiality, unless the client specifically requested the confidentiality of the immediate family.
Legal basis: "the Chinese people's *** and state lawyers law"
Article 31 of the lawyer as a defender, shall, in accordance with the facts and the law, shall put forward the suspect, the defendant is not guilty of the crime, the crime is less serious, or reduce, exempt from criminal responsibility of the materials and opinions, safeguard the suspect, the defendant's lawful rights and interests.
Article 32 the client may refuse to have entrusted a lawyer for his continued defense or representation, at the same time may separately appoint a lawyer as a defender or agent. Lawyer accepts the commission, without justification, shall not refuse to defend or represent. However, the entrusted matter is illegal, the client uses the services provided by lawyers to engage in illegal activities or the client intentionally concealing important facts relating to the case, the lawyer has the right to refuse to defend or represent.
Article 38 of the lawyers shall keep in the practice of state secrets, commercial secrets, shall not disclose the privacy of the client. Lawyers in practice activities known to the client and other people do not want to disclose the situation and information, shall be kept confidential. However, the client or other people are prepared or being implemented to jeopardize national security, public **** security, as well as other serious harm to other people's personal and property safety, except for the facts and information of the crime.