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We ensure that your call will be answered by a real person 24 hours a day, seven days a week, so you can get the help you need when you need it most.

Experience You Can Count On

For over 20 years, our firm has built a reputation for being dependable, providing guidance through even the most difficult criminal matters.

Personalized Attention

Attorney Lock provides personalized attention to every client, handling each case with care and dedication to achieve the best possible result.

San Antonio Criminal Defense Attorney

Top Rated DWI Defense Lawyer Located in San Antonio, TX

For over a 20 years, the Law Offices of Sam H. Lock has provided comprehensive criminal defense representation across a wide variety of cases. We are committed to fighting for justice on behalf of our clients, from serious felonies to minor misdemeanors. Our goal is a "Not Guilty" verdict, every time.

At the Law Offices of Sam H. Lock, we understand that being accused of a crime can be a life-changing experience. Our firm is committed to providing strong and strategic defense for people facing a wide range of criminal charges, including federal crimes, white collar offenses, DUI/DWI charges, and more. With over two decades of experience, Sam Lock has successfully represented clients in cases ranging from first-degree felonies to municipal traffic violations. We do not pass judgment on your situation; our focus is solely on working diligently to protect your rights and achieve the best possible outcome to your case. Whether you are facing charges for a serious felony or a minor misdemeanor, you can count on us to employ proactive and innovative defense strategies at every stage of the legal process.

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Sam H. Lock is a highly regarded attorney known for his relentless dedication and exceptional skill.

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Sam H. Lock

Attorney Sam H. Lock is a respected, committed, and determined legal professional with over 20 years of experience practicing law in Central and South Texas.

Our legal team provides comprehensive representation for clients facing criminal charges in San Antonio, including DWI/DUI offenses, federal criminal cases, drug-related charges, and traffic violations. We understand that being accused of a crime can have serious consequences, and our firm is committed to offering a strong, strategic defense tailored to the unique circumstances of your case. Whether you are dealing with the complexities of federal charges such as bank fraud or internet crimes, or you are facing state charges for a DWI/DUI or drug offense, we can use our 20+ years of experience to help you defend against a conviction.

DWI/DUI cases require a meticulous approach, as even a first-time offense can result in severe penalties, including fines, license suspension, and jail time. Our firm will thoroughly examine the circumstances of your arrest, from the legality of the traffic stop to the accuracy of breathalyzer or blood test results. We will build a defense aimed at minimizing or dismissing the charges against you.

Drug cases, white collar crimes, sex crimes, traffic violations, and other types of criminal cases also demand a thorough and knowledgeable defense. From minor traffic tickets to serious drug possession or trafficking charges, we approach each case with the same level of dedication and attention to detail. When addressing criminal charges at the federal level, we bring a deep understanding of the court system and the high stakes involved. We can craft defense strategies that challenge the prosecution at every turn, working to protect our clients’ freedom.

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If you or someone you know has been been arrested or facing criminal charges, act quickly and contact Attorney Sam Lock.

We explore every possible avenue for your defense, working to protect your rights and help you achieve the best possible outcome. At the Law Offices of Sam H. Lock, we stand by our clients throughout the entire legal process, providing personalized attention and experienced representation to ensure that your case is handled with the care it deserves.

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My brother got into serious legal trouble with arrests and ankle monitors, and our family was really stressed out and unsure of what to do.

Sam Lock stepped in and made a huge difference. He didn’t just give us legal advice; he explained everything clearly so we all understood what was happening. His experience and knowledge were obvious, and he worked so hard to help my brother and solve the case in our favor...”

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