Should "bad guys" have a lawyer? In a society where the principles of the rule of law have not yet been established, it may be an endless debate, but in the modern rule of law environment, as the most basic bottom line consensus, there should be no tearing. Any member of society must It must not be found innocent, which is the core content of the presumption of innocence. From this point on, the rule of law designed and operated from the ground up requires very strict legal procedures to determine the crime and innocence of any citizen. Lawyers provide legal assistance to citizens and defend their legitimate rights and interests, and should not be criticized, let alone violent. Regarding this text, what is the following understanding? ['Lawyers should not defend "bad guys".', 'Only lawyers can guarantee the equal implementation of the presumption of innocence.', 'The presumption of innocence applies to any criminal suspect.', "Citizens' crimes and non-crimes, to be determined by lawyers."]