A criminal lawyer is one of the most important roles in the court. They have plenty of legal responsibilities. The primary obligation is to ensure protected and confidential communication with clients. They should make sure that no third party ever finds out anything that was discussed with the clients. Criminal lawyers should do their best to get a fair punishment for the defendant in case he or she is guilty. If the defendant is not faulted, an attorney should prove it to the court. One thing that every criminal attorney should have is honesty, and it means finding out the truth and sharing it with others.