Founded in 2012 by criminal defense attorney Michael Mercer, Mercer & Keirnan is a Houston based law firm that focuses 100% of its practice on criminal defense. Attorneys John Keirnan and Michael Mercer have over 40 years of combined experience defending all misdemeanor and felony charges, including but not limited to DWI/DUI, assault and other violent crimes, theft, marijuana possession, drug possession, domestic violence, aggravated assault, sexual assault, prostitution, weapons charges, fraud and money laundering. In 2014, attorney John Keirnan was awarded "Lawyer of the Year" by his colleagues in the Harris County Criminal Lawyers Association. Mercer & Keirnan provides quality, experienced representation to those facing criminal charges in and around the Houston area. Call 713-236-9700 for a free consultation.