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also known as Sam R., Cammack III
Sam R. Cammack III is a Houston criminal defense lawyer and former felony prosecutor, licensed in Texas since 2002. He leads Your Houston Criminal Lawyers at 1001 West Loop South, Suite 700, and defends adults and juveniles charged with serious felonies and misdemeanors across Harris, Fort Bend, Montgomery, Brazoria and Galveston counties.
PROSECUTOR EXPERIENCE
- Former felony prosecutor in Harrison County, Texas, handling cases ranging from DWI and drug offenses to murder.
- Presented felony cases to grand juries, prepared witnesses and counseled State Troopers on felony procedure.
- Appointed by a Harris County court to serve as a special prosecutor in 2016 and 2017.
CRIMINAL DEFENSE
- Practice dedicated to criminal defense: murder and capital murder, assault, family violence, DWI, drug, theft, robbery, weapons, sex offense and juvenile cases.
- Lead defense counsel in the nationally covered David Barajas murder trial in Brazoria County, which ended in a not guilty verdict in 2014.
- Retained by the State of Oregon to defend a juvenile charged with a serious felony in Texas.
- Former Vice President and Managing Criminal Attorney at one of the state's largest consumer law firms.
TELEVISION LEGAL CONTRIBUTOR
- Has appeared as a legal contributor on Nancy Grace, Dr. Phil, CNN, HLN, FOX, ABC, NBC and CBS.
EDUCATION AND HONORS
- Juris Doctor, magna cum laude, Thurgood Marshall School of Law, Texas Southern University (2002).
- Finished first in his class in eleven areas of law and received the Prima Excellentia Award for Legal Scholars.
- Won the HDW mock trial competition and qualified for nationals.
- Interned at the Fourteenth Court of Appeals with Justice Eva Guzman.
- Bachelor of Arts in Psychology with honors, University of Houston (1998).
MEMBERSHIPS
- Texas Criminal Defense Lawyers Association
- Houston Criminal Defense Lawyers Association
- Harris County, Tarrant County and Harrison County Bar Associations
- State Bar of Texas
Free consultations are available. Spanish-language assistance is available through our office.
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Practice Areas
23 years
23 years
23 years
23 years
Free Consultation
$0 first 60 minutes
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Chat withState: Texas
Acquired: 2002
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1001 West Loop South, Suite 700, Houston, TX, 77027
23 Client Reviews
Showing 1 - 5 of 23 reviews
Posted by anonymous | January 21, 2026 | Hired Attorney
The best criminal defense attorney
I cannot recommend this attorney highly enough. As a healthcare professional, I was facing a legal situation that put my professional license—and my entire career—at serious risk. From the very beginning, he was knowledgeable, calm, strategic, and truly committed to protecting my future. He guided...
Posted by anonymous | August 06, 2021 | Hired Attorney
best lawyer ever
Sam & Holly are a great team. Professional, honest and delivered the result he said he would. Confident. No nonsense. Got my son off on a criminal charge not based on facts. He and Holly prepared a great jury packet that totally destroyed the charges. My family and I are very grateful and if we eve...
Posted by M.S.B | January 29, 2020 | Hired Attorney
Tenacious
Sam R. Cammack III is hands down the best attorney in the city. He & his legal assistant Holly make a great team. Sam is very professional & honest in what you can expect as an outcome to your case. Holly is great and very accommodating to each unique situation. No matter how often I had questions, t...
Posted by anonymous | January 21, 2020 | Hired Attorney
Recommend to NOT Hire this Lawyer
Hired Sam Cammack a few years ago for my criminal defense. He rarely returned my phone calls and cancelled meetings the day of at times. Knew very little detail about my case although he claimed he was prepared for trial. Never attended reset hearings and normally sent someone else. Big confusion...
Posted by Joseph | September 13, 2019 | Hired Attorney
Best lawyer ever
When i had got this felony charges on me my life was ruin !! We were looking for lawyers and we decided to hire sam cammack . and it was the best choice we ever did he had got both cases DISMISSED just like he told us !!! Thanks to his assistance holly she is amazing she there too hear you out and ad...
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Criminal defense lawyer
2002
Magna Cum Laude, Texas Southern University
2002
Prima Excellentia Award for Legal Scholars, Texas Southern University
2011 - Present
Founder and Lead Attorney, Your Houston Criminal Lawyers (Sam R. Cammack III, Attorney at Law PLLC)
2016 - 2017
Special Prosecutor (by appointment), Harris County, Texas
2004 - 2010
Vice President and Managing Criminal Attorney, Bailey and Galyen Attorneys at Law
2002 - 2004
Felony Prosecutor, Harrison County District Attorney's Office
Member
Member
Member
Member
Member
Member
Member
Not Guilty
2002
Doctor of Jurisprudence/Juris Doctor (J.D.)
1998
BA - Bachelor of Arts
2017
2014
English
Spanish
Farsi