Attorney William Smith has been an invited lecturer and instructor at many continuing legal education seminars and conferences for attorneys. Attorney Smith has litigated criminal and civil cases extensively throughout both the state and federal trial and appellate courts. In 2008 he represented the defendant in a landmark case on automobile stops in Massachusetts before the Massachusetts Supreme Judicial Court. As a bar association leader, Attorney Smith has testified before the Massachusetts Judiciary Committee in the Statehouse multiple times with respect to criminal justice legislation. Attorney William S. Smith is the co-author of Warrantless Searches of Persons or Places in the award-winning reference manual used by attorneys, Trying Drug Cases in Massachusetts.