San Antonio Criminal Defense Attorneys

Strategic defense for high-stakes criminal cases in Texas.

STRATEGIC DEFENSE FIRM

Criminal defense attorneys with a specialization in high-stakes, complex cases.

At Christian, Nisbet & Casillas, we don’t just defend cases — we navigate lives through crisis. With a rare combination of elite prosecutorial experience and white-glove client service, we provide strategic criminal defense for individuals facing serious legal, professional, and personal consequences.

From DWI and domestic violence charges to complex investigations and risk-heavy accusations, we bring clarity, confidence, and control to every situation. Clients come to us when the outcome matters — when reputation, career, and future are on the line.

You won’t get passed to an associate. You work directly with us. We understand the system inside and out, and we use that insight to protect what matters most. Every move we make is calculated, intentional, and built around the results you need.

San Antonio criminal defense attorney law library

Practice Areas

  • DWI

    Comprehensive defense for first-time and repeat DWI charges, including ALR hearings and commercial license cases.

    DWI defense →

  • Drug Crimes

    Skilled representation for charges involving possession, manufacturing, trafficking, and federal drug offenses.

    Drug charges defense →

  • Assault Crimes

    Defense for a wide range of violent offenses, from misdemeanor assault to aggravated assault and manslaughter.

    Assault charges defense→

  • White Collar Crimes

     Strategic counsel for financial and corporate crimes including embezzlement, identity theft, and wire fraud.

    White Collar crimes defense →

OUR FIRM

The Attorneys Behind the Strategy

San Antonio criminal defense attorneys Christian Nisbet Casillas

With decades of combined experience, David Christian, Thom Nisbet & Fred Casillas bring together a rare blend of courtroom insight, strategic thinking, and client-centered service. From high-stakes prosecutions to deeply personal defense work, we’ve built a reputation on results and relationships.

We’re not just lawyers. We’re advisors, advocates, and trusted guides through the legal system — committed to protecting your future with clarity and confidence.

Get to know the team behind the results.

Meet the Attorneys →

  • "I can’t say enough great things about Thom Nisbet and David Christian. Our case had been at a complete standstill before we found them, and within just three months, they got everything handled smooth, professional, and efficient from start to finish."

    Nicole Cintron

  • "I decided to go with Thom and David during our initial consultation and I’m so glad I did… With Thom and David’s skillful handling of my case, we achieved a very favorable outcome… This was a life changing event for me."

    Matthew Rodriguez

  • "Their professionalism is matched only by their genuine kindness and unwavering dedication… Their ability to navigate complex legal matters with both skill and empathy made a challenging process much more manageable."

    Jackie Buckley

  • "They had information for me before I even made it back from their office… Thank you so much for helping Jesse come home!"

    Leah Christine

  • "Extremely detailed in explaining the laws… They were very straightforward, candid, and informative."

    Julie Chavez

  • If you're looking for a lawyer that's going to follow through on his word and deliver, David Christian is your man. I highly recommend him. He is experienced, knowledgeable and highly skilled at what he does.

    Lynn Mccaine

  • "Thom is a magician — he knows the legal system inside and out. Today, they got my case dismissed, proving my innocence and delivering true justice."

    Brian McSteen

  • "Exceptional Legal Counsel. You want this team on your case. They represented me and a very serious charge was 100% dismissed."

    Dylan S

  • "From the very beginning, he demonstrated exceptional professionalism, deep legal knowledge, and a genuine commitment to our case."

    Vidal Ruiz

  • "From the moment I contacted them I was greeted with kindness, honesty and never once felt judged… They broke down the legal terms and walked me through every step."

    John Regalado

  • "Very friendly and eager to help. Kept in great communication throughout process, made it very convenient for me."

    Claudia Magana

YOUR DEFENSE STARTS HERE

When the Outcome Matters, You Call Us. Schedule Your Confidential Consultation.

Christian, Nisbet & Casillas represents clients throughout San Antonio, Bexar County, and surrounding South Texas communities including Alamo Heights, Olmos Park, Terrell Hills, Stone Oak, and downtown San Antonio.

SCHEDULE CONSULTATION →

News & Insights

News
Arrested During Spring Break? Your Defense Starts Now
General, Assault Crimes, Drug Crime, DWI
Arrested During Spring Break? Your Defense Starts Now
General, Assault Crimes, Drug Crime, DWI

Spring Break in Texas often brings increased patrols and arrests for DWI, drug possession, assault, and public intoxication. If you or someone you love is facing charges, knowing your rights and acting quickly can make all the difference.

General, Assault Crimes, Drug Crime, DWI
Facing Domestic Violence Accusations? What You Need to Know
Assault Crimes, Family Violence
Facing Domestic Violence Accusations? What You Need to Know
Assault Crimes, Family Violence

Being accused of domestic violence can change your life overnight. Protective orders, criminal charges, and damage to your reputation can begin before your case ever reaches court. In this article, the attorneys at Christian, Nisbet & Casillas explain what to do in the first 24 to 48 hours after an accusation, common mistakes to avoid, and how early legal defense can protect your rights, freedom, and future.

Assault Crimes, Family Violence
Assault of a Public Servant in Texas: What Happens When a Routine Arrest Turns Into a Felony
Assault Crimes
Assault of a Public Servant in Texas: What Happens When a Routine Arrest Turns Into a Felony
Assault Crimes

Assault of a public servant is a third-degree felony in Texas, carrying 2–10 years in prison and a permanent felony record. If you were arrested after a confrontation with police, a firefighter, EMT, or correctional officer, your defense starts immediately. Learn how we challenge these charges and protect your future.

Assault Crimes