I think you would be wise to schedule appointments and meet with each of your three top choices. Do not hire any one of them until you have met with them all. How they present themselves to you can give you a better idea of how they will present themselves in court.
They should all show an interest in your son and his future goals.
You want to like the attorney, but most importantly you want to TRUST the attorney. Compatibility is important, but knowledge, experience and skill will be more important. Again, you will probably be best served by an attorney who knows the science behind the blood tests and equipment, and the breath tests and equipment, and the field tests and how they are handled. These are the aspects of your son's case that may hold the defense he will need to get charges significantly reduced.
In your interviews with the attorneys, the attorneys should not be afraid to give some free advice, should not be afraid to admit he/she has not won all of his cases, should not be afraid to praise the other attorneys you will be speaking with (if he knows them and they deserve it
), and should be willing to explain in a fair amount of detail how the fees you pay will be earned. If the attorneys know the judge, ask them about the judge.
You may do better with an attorney who does not have such a
large caseload that he will not have the time he needs to devote to your son's case. But you also don't want an attorney whose ONLY case is your son's.
If you are concerned about the DUI firm that seems to have overwhelmed the internet with ads and information, speak with the attorney from that firm about your concern (or ask other attorneys about that firm). Attorneys more frequently advertise their firms and their services now and it does not necessarily mean the firm doing the advertising is shady. Some top attorneys advertise while others never do.
I am sure your final choice will be a wise one. Good luck.
edit to add: The attorney who heads the firm that you question teaches a law class at a Michigan law school (on drunk driving and the science behind the testing) in addition to his work with the firm.