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Flanary Law Firm, PLLC

If you’re looking for a criminal defense lawyer to tell your story and fight your criminal case to the end, you’ve made it to the right place. At our firm, we don’t believe in taking client’s money just to bully them into taking an offer from the government, we like cases we can fight and win. The Flanary Law Firm, PLLC, has a primary office in San Antonio, Texas, but accepts both federal and state cases throughout Texas.

If you’re charged with a criminal offense, take it seriously. Hiring a defense lawyer may be one of the most important decisions you will ever make. Criminal convictions can impact your life and take away your freedoms in ways you never thought were imaginable. It is important to remember that in EVERY criminal case, the defendant is put against state or federal prosecutors who have unlimited resources at their disposal. It is their job to incriminate you and secure a conviction; they’re not there to help you, they’re not there to hear your side of the story.

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Federal Cases
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Seminars Taught

Super Lawyer 5+

Flanary Law Firm Fights

Notable Victories

  • Not Guilty
  • Dismissal
  • Testimonials


Intoxication Manslaughter (Texas Penal Code Section 49.08)


Defendant was charged with the unfortunate death of a 10-year-old boy in this intoxication manslaughter case before the 379th Judicial District Court of Bexar County, Texas, and was facing up to 20 years in prison. Donald H. Flanary, III., and his co-counsel were able to show the defendant’s side of the story and point out other factors that lead up to the victim’s death, which were out of the defendant’s control. Don Flanary was also able to challenge the validity of the blood test done in the case, which he found issues with. Defendant was acquitted at trial.


Five (5) counts of Sexual Assault (Texas Penal Code Section 22.011)


Defendant was charged in the 226th Judicial District Court of Bexar County, Texas, with 5 counts of felony sexual assault. Don Flanary was lead counsel and was able to effectively explain to the jury that the defendant’s encounter with the alleged victim was completely consensual, and that there was more to the story and the complainant was telling. After a week-long jury trial, the Defendant was acquitted of all charges.

Was really in a difficult situation Mr. Flannery and Amanda Hernandez came to the rescue, all my cases have been dropped/dismissed and I couldn’t be happier if you find yourself needing a lawyer I would definitely come back to them again.

Mario B.

I highly recommend Donald H. Flanary to anyone who needs help with a legal matter. Mr. Flanary and his team worked hard on my behalf and achieved the best possible result in my case. His knowledge and ability within the courtroom are excellent,...

Fernando R.

donald flanary III law firm

Donald H. Flanary, III

Donald H. Flanary, III

Criminal Defense Attorney

Donald H. Flanary, III., founder of the Flanary Law Firm, PLLC, has over 17 years of criminal defense experience and has mastered how to advocate against the government for his clients. Voted San Antonio Criminal Defense Lawyers Association’s 2015 Defender of the Year, Don thrives in front of a jury and is not afraid to stand up to the government. He has taught his team how to shine light on the weakest parts of the government’s case and tell the defendant’s story. Don has successfully won numerous jury trials throughout the state for serious crimes including sexual assault, intoxication manslaughter, and federal coercion of a minor, among others.

Don and his team know when and how to negotiate with the prosecutors, when to take advantage of pretrial motions, and when to attack unlawful arrests or even laws. Your case may have suppression issues, may deal with an unlawful statute, or just have the need to really tell your side of the story clearly. It is of paramount importance that you hire someone who can identify and attack complex issues as well as have the ability to relay to the jury the most important part of your case- YOUR STORY. Take the first step and call us today to schedule your free consultation.

Build Your Defense

Federal Criminal Defense

Federal Districts in Texas

The punishments for criminal charges prosecuted in federal court typically involve a much harsher sentence than crimes prosecuted in state court. Federal prosecutors have less discretion in making sentencing decisions and federal judges often follow strict sentencing guidelines. Additionally, not only do federal crimes have a higher maximum penalty than state crimes, but most federal crimes come with additional punishment enhancements.

Prosecutors in federal court are known as Assistant United States Attorneys (AUSA). Federal prosecutors work at the direction of the United States Attorney to prosecute criminal cases brought by the federal government against individuals and organizations who violate criminal laws enacted by the United States Congress.

Federal crimes in the Western District of Texas are prosecuted at one of the four federal judicial districts in Texas. The headquarters of the Western District are in San Antonio. Additional offices are located in Alpine, Austin, Del Rio, El Paso, Midland, and Waco.

Stages of Federal Prosecution

When our clients become targets of investigations, we aggressively conduct investigations of our own to develop, discover and tell their side of the story.

Agents must be meticulous in their applications for the seizure of citizens’ property.

We work vigorously from the moment we are contacted to obtain release on bail.

We have considerate experience and staff to process and understand this information.

We have a very aggressive approach to litigating criminal cases. Our motions practice focuses on substantively making the battlefield at trial the most favorable it can be.

Fourth amendment law is complex, expansive and ever-changing. A very experienced lawyer can destroy the government’s case with the prudent and strategic use of motions to suppress.

There are a number of specialized defenses allowed under the Federal Rules of Criminal Procedure that are not known by the general public.