Can you monitor the suspect's phone?

You can't monitor the suspect's phone. According to the relevant provisions of China's criminal procedure law, defense lawyers can understand the case, provide legal advice and verify relevant evidence. When meeting and communicating with criminal suspects in custody, they are not allowed to be under residential surveillance.

legal ground

Article 39 of the Criminal Procedure Law

Defense lawyers can meet and correspond with criminal suspects and defendants in custody. Other defenders, with the permission of the people's courts and people's procuratorates, may also meet and correspond with criminal suspects and defendants in custody.

When a defense lawyer meets a criminal suspect or defendant in custody, he can understand the case and provide legal advice. From the date when the case is transferred for examination and prosecution, the relevant evidence may be verified with the criminal suspect or defendant. Defense lawyers are not monitored when meeting with criminal suspects and defendants.