There are many DUI and criminal lawyers that are so worthy that they can even get the final verdict favoring you or they can even get the case to be dismissed. Therefore, it is suggested that having a good lawyer as soon as cops have caught you might escape you from all the unnecessary hassle like court dates, cases, etc. 

When you have a worthy lawyer by your side strengthening your case and turning it into your favor is totally his or her duty, after all he or she is being paid for it.