2. Both the suspect and the defendant are blind and deaf.
3 mental patients who have not completely lost their ability to identify or control their behavior.
4. May be sentenced to life imprisonment or death.
Legal basis:
Criminal procedure law
Article 34 If a criminal suspect or defendant fails to appoint a defender due to financial difficulties or other reasons, he or his near relatives may apply to a legal aid institution. To meet the conditions of legal aid, legal aid institutions shall appoint lawyers to defend them.
If the criminal suspect or defendant is a mental patient who is blind, deaf, dumb or has not completely lost the ability to identify or control his own behavior, and has not entrusted a defender, the people's court, the people's procuratorate and the public security organ shall notify the legal aid institution to appoint a lawyer to defend him.
If a criminal suspect or defendant may be sentenced to life imprisonment or death without entrusting a defender, the people's court, the people's procuratorate and the public security organ shall notify the legal aid institution to appoint a lawyer to defend him.