What are the circumstances in which the defendant's lawyer cannot defend the defendant's innocence in a public prosecution case?

1. If you didn't know in advance and didn't commit the same crime after knowing it, you can entrust a criminal defense lawyer to actively defend your innocence. 2. Without access to the substantive evidence of the case, the lawyer cannot determine whether he is innocent or guilty, or whether he defends the sentence, and there is no way to predict the final result such as judgment-a good case result is made, not predicted out of thin air. Consultation can't solve the problem of the case itself, because you can understand that without the rights of lawyers and the practical experience of knowledge and skills accumulated by lawyers through many cases, practical problems can't be solved. Moreover, lawyers gradually carry out specific criminal defense work around the evidence of the whole case, which is a complex and concrete process-thousands of cases become thousands of ways of playing, and you can't fully understand it. 4, has entered the criminal justice process, the case is related to the personal freedom and property rights of the parties, can not wait and wait, delay, as soon as possible to entrust a criminal defense lawyer specializing in criminal cases to intervene in the case, and gradually carry out specific defense work.