San Antonio Drug Crime Attorneys

Board-Certified Defense. Insider Prosecution Knowledge. Fighting for You.

A drug charge in San Antonio can upend your life before you ever set foot in a courtroom. At The Locke Law Group, we defend clients charged with drug crimes throughout San Antonio and Bexar County, and we bring something most defense firms can’t: direct knowledge of how the other side operates. Our team includes a former Bexar County prosecutor and a former San Antonio police officer. We don’t have to guess how law enforcement builds a case or how the DA’s office pursues a conviction. We already know.

Shannon Locke is Board Certified in Criminal Law by the Texas Board of Legal Specialization, a distinction held by fewer than 10% of Texas attorneys that requires peer references from judges and fellow attorneys, advanced legal training, and a rigorous written exam. Together, our team brings more than 50 years of combined legal experience to every case. We offer free consultations, are available 24/7, and serve clients in English and Spanish.

To speak with our San Antonio drug crime attorneys, call us at (210) 361-3113 or contact us online today.

Common Defenses in a Texas Drug Case

We routinely represent clients charged with possession of controlled substances, including marijuana, methamphetamine, cocaine, and heroin. Whatever the charge, we can walk you through each step, give you honest advice about your options, and help you understand what’s happening at every stage of the process.

We evaluate every case for Fourth Amendment search and seizure violations, including warrantless searches and stops lacking reasonable cause. A successful suppression motion may remove unlawfully obtained evidence from the prosecution’s case. Shannon Locke has tried approximately 200 jury trials across his career, including drug cases in Bexar County and surrounding Texas counties, and has persuaded a federal district court judge in San Antonio to dismiss a case on constitutional grounds.

Defenses that may be available to you include:

• You didn’t have legal possession of the substance in question
• The evidence was obtained through an unlawful search or seizure lacking a warrant or reasonable cause
• The substance was lawfully prescribed by a doctor
• The quantity found was insufficient to support the charge
• Chain-of-custody problems in how evidence was handled between arrest and lab testing may support a motion to exclude that evidence
• Statements obtained after you invoked your right to counsel may be suppressible under constitutional protections

Call (210) 361-3113 or reach out online to start reviewing your case.

State vs. Federal Drug Charges in Texas

The court where your case is prosecuted matters significantly. Under the Texas Controlled Substances Act, most simple possession cases are handled at the state level in Bexar County courts. When drug activity crosses state lines, involves large quantities, or is tied to organized distribution networks, federal prosecution may become more likely. Federal charges can carry mandatory minimum sentences and follow procedural rules that differ substantially from state practice. Distribution and trafficking charges, in particular, often end up in federal court.

Shannon Locke is admitted to practice in the U.S. District Court for the Western District of Texas and handles both state and federal drug matters. His time prosecuting in the Bexar County District Attorney’s Office gives our team a direct understanding of how local prosecutors build and pursue drug cases. Whether your matter is moving through state or federal court, having a criminal defense attorney who knows both systems can be a real advantage. Given that consequences can range from minimal jail time to decades in federal prison, early legal guidance is important.

What a Drug Conviction Can Cost You Beyond the Courtroom

The consequences of a drug conviction in Texas reach far beyond a fine or a jail sentence. A permanent criminal record surfaces on background checks and can affect nearly every area of your life: your job, your family, your professional license, and your immigration status. Understanding what’s at stake is essential before making any decisions about your defense.

We work to identify every available option, including programs that may allow eligible defendants to avoid a permanent conviction altogether. Key consequences to understand:

• Employment: A drug conviction can disqualify you from job opportunities across a wide range of industries where background checks are standard.
• Educational Funding: Certain convictions can affect eligibility for scholarships, institutional financial aid, and other educational opportunities.
• Child Custody: A conviction can influence custody arrangements or visitation rights in Texas family court.
• Professional Licenses: Licenses for teachers, nurses, contractors, and many other professions are subject to mandatory review following a drug conviction in Texas.
• Immigration Status: Non-citizens face potential deportation or inadmissibility after a drug conviction, making early intervention especially critical.
• Drug-Free Zone Enhancements: Under Texas Health and Safety Code § 481.134, offenses committed within 1,000 feet of schools, playgrounds, youth centers, or other designated areas carry enhanced penalties that can significantly increase sentencing exposure.
• Diversion and Rehabilitation: We can help you explore alternatives to incarceration, including drug treatment programs, pretrial diversion, and deferred adjudication programs available to eligible first-time or nonviolent offenders in Bexar County.

We offer flexible payment options and serve clients in English and Spanish, so cost and language don’t have to be obstacles to getting the representation you need.

Why Clients Choose The Locke Law Group for Drug Crime Defense

Shannon Locke’s Board Certification in Criminal Law reflects demonstrated experience, peer recognition from judges and attorneys, and a comprehensive written exam. It is a standard fewer than 10% of Texas attorneys meet. But credentials alone don’t determine case outcomes. Our team’s background as a former Bexar County prosecutor and a former San Antonio police officer means we understand exactly how law enforcement investigates drug offenses and how the DA’s office decides to pursue them. That insider knowledge shapes how we build every defense.

What clients can expect when working with us:

• Board-Certified Criminal Law Representation: Shannon Locke holds Board Certification in Criminal Law, requiring peer references, advanced training, and a rigorous exam. It is a distinction fewer than 10% of Texas attorneys hold.
• Insider Prosecution Knowledge: A former Bexar County prosecutor and a former San Antonio police officer on our team means we know how cases are built from the other side.
• Award-Winning Representation: Our firm has earned recognition for the quality of our criminal defense advocacy.
• 24/7 Availability: Charges and emergencies don’t follow business hours, and neither do we.
• Free Consultation: We offer a no-cost initial consultation to evaluate your case and explain your options.
• Bilingual Services: We serve clients in English and Spanish.
• Flexible Payment Options: We offer payment arrangements tailored to each client’s financial situation.

Contact Our San Antonio Drug Crime Attorneys Today

A drug charge in Bexar County moves quickly, and the earlier an attorney is reviewing your case, the more options may remain available: from challenging evidence to pursuing diversion programs to building a defense before the prosecution’s case hardens. We offer free consultations and are available around the clock.

Don’t face this alone. Call (210) 361-3113 or contact us online to speak with a San Antonio drug crime attorney from The Locke Law Group today.