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Our Philosophy: The Fight for Justice

At Sam R. Cammack III Law Firm, digitally operating as Your Houston Criminal Lawyers, we fight relentlessly for individuals and members of our community who have been hastily labeled as criminals by the justice system. Too often, the system rushes to judgment, but once we step in and start fighting for our clients, those deemed guilty by society are frequently found to be innocent.

We understand the embedded issues within the justice system—including the often complex and intentional relationships between judges and prosecutors. We also recognize the severe limitations of court-appointed attorneys. Because they are often compensated for only a strictly limited number of hearings, there is a systemic pressure that directly and indirectly forces attorneys to push their clients into accepting a prosecutor's plea deal. Simply put, fighting harder for their clients often means they don't get paid more. Justice is not delivered out of convenience; it requires a hard fight.

As a former prosecutor who chose to become a criminal defense lawyer, Sam Cammack knows exactly how the system operates from the inside. He knows that to get justice, you have to fight for it. Just as the founding fathers designed the Constitution with a system of checks and balances to create accountability, our firm serves as the vital counterweight on the scales of justice. We provide the hard fight necessary to hold the court and judiciary systems accountable, maintaining the proper balance to deliver true justice for our clients.


Our Legal Team

Sam Cammack and Holly Quinterro - Our Legal Team

Sam R. Cammack III – Founder & Lead Attorney

Sam R. Cammack III is a highly experienced criminal defense lawyer and former prosecutor serving the Houston area with over 20 years of legal expertise. Dedicated to protecting his clients' rights, he has successfully defended cases ranging from misdemeanors to serious felonies. As a former prosecutor turned aggressive criminal defense attorney, Sam has dedicated his career to balancing the scales of justice.

Sam received his Bachelor’s Degree in Psychology with honors from the University of Houston and graduated Magna Cum Laude with a Doctorate of Jurisprudence. A standout legal scholar, he finished first in his class in eleven different areas of law, received the prestigious Prima Excellencia award, and interned at the 14th Court of Appeals with Justice Eva Guzman. Known for his sharp analytical skills and strategic defense, he remains steadfast in his pursuit of justice for every client.

Direct Conversation with Sam

Email: [email protected] | Phone: 713-224-4444

Read Sam's Full Biography

Holly A. Quinterro – Office Manager & Legal Assistant

Holly A. Quinterro is a potent, competent, and precise fighter for our firm and an officer of the court. As an experienced legal assistant and office manager specializing in criminal law in the State of Texas, she has over twelve years of experience handling hundreds of criminal cases ranging from misdemeanors to capital murders.

Diligent and resourceful, Holly excels in conducting legal research, case investigations, and preparing persuasive legal arguments, motions, grand jury packets, mitigation packets, and comprehensive trial preparations. She flawlessly supports, coordinates, and schedules up to 75 clients across seven different counties for our attorneys.

Beyond her legal acumen, Holly is a problem solver who educates clients and their families about criminal procedure, keeping morale high and clients happy. She exercises independent judgment and maintains the highest level of confidence and integrity.

  • Certifications: Certified Notary Public for the State of Texas (Notary ID: 129375665). You can verify her official record for Notary Services by searching her Notary ID on the Texas Secretary of State Direct portal.
  • Expertise: Official Notary Services, Criminal Law Proceedings, Legal Document Preparation, Case Management, Trial Preparation, E-Filing & Docket Management

Request Notary and Assistant Legal Services

Email: [email protected] | Phone: 713-224-4444


Our Marketing and Technology Partner

Medai Digital Technology

Medai Digital Technology

To ensure our firm operates efficiently, securely, and stays at the forefront of modern legal representation, we proudly partner with Medai Digital Technology for our digital marketing, technology infrastructure, and advanced AI services. This partnership allows our legal team to focus on what matters most: fighting for our clients.

This initiative is led by Dr. Medai Abadi, the Director and Founder of Medai Digital Technology, whose expertise ensures we have the best tools to serve the justice system.

Inquire About Marketing, Web, CRM, Tech & AI Services

Email: [email protected] | Phone: (832) 807-9640