DUI/OUI Lawyers serving Tiverton, RI, all of Rhode Island and Massachusetts. The Law Offices of Richard S. Humphrey - DUI /OUI & Criminal Justice Lawyers are located in Tiverton, RI. Attorneys Humphrey and Christina Dzierzek have had success on the local level all the way to the Supreme Court. Besides DUI/OUI lawyer specialities, the firm also handles Personal Injury Cases, Admirality Cases, Drug Cases, Domestic Violence Criminal Cases, and many others, while also taking up Civil Law Cases.