Law office of John P Keirnan

The Criminal Defense Attorneys at Mercer and Keirnan provide aggressive representation for those accused of misdemeanor and felony charges in and around Houston, Texas. For over 38 years, attorney John “Casey” Keirnan has fought with great success to protect the life and liberty of his clients. From DWI to Assault to Drug Possession and Theft Charges, there is no criminal charge we can’t defend. Call 713-236-9700 for a free consultation.