First of all, we must have excellent professional knowledge;
Second, we must have indomitable professionalism;
Third, we should have good interpersonal relationships. This is very important, because the defense lawyers in criminal cases and the lawyers hired by criminal suspects are local lawyers. On seniority and the introduction of human feelings.
The most important point is that the families of criminal suspects may not listen to your opinions and suggestions. If they are not careful, they will fall into it!