The Law Offices of Sam H. Lock - San Antonio, TX

Formidable Criminal Defense and Trial Advocacy in San Antonio

When confronted by state or federal criminal accusations, your freedom, career, and personal reputation are on the line. Located on South Alamo Street in San Antonio's King William Historic District, The Law Offices of Sam H. Lock has delivered aggressive criminal defense representation across Texas for more than two decades. Founded in 2000 by veteran defense attorney Sam H. Lock, the firm has tried hundreds of bench and jury trials, defending individuals facing allegations from municipal infractions to first-degree felonies.

Attorney Sam Lock earned his law degree from St. Mary's University School of Law in 1998 after graduating from Texas A&M University. He honed his litigation skills as an Assistant Bexar County prosecutor before establishing his private practice. A member of the Board of Directors for both the Texas Criminal Defense Lawyers Association and the San Antonio Criminal Defense Lawyers Association, Mr. Lock is widely recognized as one of the state's most accomplished trial advocates. If you need a lawyer urgently or want to hire an attorney with extensive federal courtroom experience, Sam Lock provides relentless defense around the clock.

Strategic State and Federal Criminal Defense

Defending against criminal allegations demands comprehensive evidentiary investigation and uncompromising courtroom advocacy. As seasoned criminal defense lawyers, Sam Lock and his legal team challenge prosecution theories, police procedure, and unlawful search warrants. The firm represents clients in federal district courts and Texas state courts facing a broad array of charges:

• Defense against white-collar crimes, including bank fraud, wire fraud, healthcare fraud, and corporate embezzlement
• Representation by skilled drug crime defense lawyers in federal drug conspiracies, trafficking, and state possession charges
• Tenacious advocacy from violent crime defense lawyers defending against homicide, aggravated assault, and weapons violations
• Federal cross-border matters, including alien smuggling, human trafficking defense, and asset forfeiture proceedings
• Strategic defense from theft and burglary defense lawyers and counsel for probation revocation hearings
• Expunctions and nondisclosure orders to clear criminal arrest records and restore clean backgrounds

Board-Recognized DWI and DUI Defense Advocacy

A driving while intoxicated arrest can trigger license suspension, heavy fines, and potential jail time. Named Best Lawyers Lawyer of the Year for DUI/DWI Defense, Sam Lock serves as a trusted advocate among DUI/DWI defense lawyers and traffic ticket lawyers. The firm scrutinizes chemical blood tests, breathalyzer maintenance logs, and roadside field sobriety testing protocols to expose constitutional violations and pursue case dismissals.

Why Defendants Choose Sam Lock Law Offices

Clients choose The Law Offices of Sam H. Lock for unmatched litigation credentials:

• Named Best Lawyers Lawyer of the Year for White-Collar Criminal Defense in 2022 and 2026, and for DUI/DWI Defense in 2020
• Former Bexar County prosecutor offering valuable insight into state and federal prosecution strategies
• Over twenty-five years of criminal litigation handling every tier of criminal charge
• Twenty-four-seven availability ensuring immediate legal intervention during arrests, interrogations, and bail hearings
• Free initial consultations providing honest evaluations of constitutional rights and defense options

If you or a family member needs to find an attorney prepared to fight in any Texas courtroom, contact The Law Offices of Sam H. Lock in San Antonio today to schedule your consultation.