1, a lawyer can't report a criminal act of a client unless the client has an act that endangers national security;
2. It is against the lawyer's professional ethics for the lawyer to report the client, because the lawyer has the obligation to keep secrets for the client;
3, the lawyer's duty is to serve the parties and punish criminals, which is the duty of the public security law, not the lawyer's duty. Lawyers abide by professional ethics;
If lawyers report clients in criminal cases regardless of professional ethics, the lawyer system will collapse.
5. The responsibility of the defender is to put forward materials and opinions to prove the innocence, light crime or reduce or exempt the criminal responsibility of the criminal suspect and defendant according to facts and laws, and to safeguard the legitimate rights and interests of the criminal suspect and defendant.
Legal basis: Article 38 of the Lawyers Law of People's Republic of China (PRC).
Lawyers should keep state secrets and business secrets they know in their practice activities, and may not disclose the privacy of the parties. Lawyers should keep confidential the relevant information and materials that their clients and others are unwilling to disclose in their practice activities. However, criminal facts and information that endanger national security, public safety and seriously endanger the personal safety of others are being prepared or implemented by the client or others.