Understanding criminal law is not important as far as you have no problem on it. But, If you are suspected as a criminal and must be arrested for it, you have to understand the basics of criminal law or give your cases to your lawyer. But you must be careful, not all lawyers expert on it because sometimes they just expert in certain case for example business legal cases, civil cases, land cases, construction legal cases and else.
If you live in Los Angeles and suddenly was arrested because of criminal case, you can contact Kestenbaum Eisner & Gorin LLP, an Los Angeles Criminal Attorneys | California DUI Felony Misdemeanor Lawyers. Their skilled criminal defense attorneys are very famous and have enough experiences related criminal, misdemeanor, and DUI matters.If you urge need them, you can call them at (877) 781-1570 and they available for 24/7.