About Your Houston Criminal Lawyers

Your Houston Criminal Lawyers

Your Houston Criminal Lawyers is a Houston criminal-defense practice led by attorney Sam R. Cammack III, a former felony prosecutor who has practiced law in Texas since 2002. The firm represents people facing criminal accusations ranging from misdemeanors and DWI to serious felonies, murder, capital murder, family violence, drug charges, theft, and juvenile cases.

Legal entity: SAM R CAMMACK III, ATTORNEY AT LAW PLLC
Public-facing brand: Your Houston Criminal Lawyers

The State Has to Prove Its Case

An accusation is not a conviction. Every criminal case deserves to be examined carefully, every important piece of evidence deserves to be tested, and the government must be held to its burden of proof.

At Your Houston Criminal Lawyers, the role of the defense is not to rush to judgment. It is to listen to the client, investigate what happened, examine the State's evidence, identify weaknesses or unanswered questions, protect constitutional rights, and prepare the case for each stage of the criminal process.

Criminal defense is a necessary counterweight.

Our justice system depends on meaningful advocacy on both sides. A prosecutor presents the State's case. A defense lawyer tests that case, challenges what cannot be proven, protects the accused, and requires the government to meet the burden the law places upon it.

Sam R. Cammack III has worked on both sides of that process. Before becoming a criminal defense attorney, Sam served as a felony prosecutor in Harrison County, Texas, where he prosecuted hundreds of criminal matters ranging from DWI to murder. That experience informs how the firm evaluates evidence, anticipates prosecution strategy, prepares witnesses and case materials, and approaches serious criminal litigation.

The firm's philosophy is straightforward: prepare carefully, communicate directly, challenge what should be challenged, and be ready to fight the case in court when the circumstances require it.

Legal Strategy, Case Coordination & Direct Communication

Criminal cases often move quickly and involve court dates, evidence, investigators, prosecutors, family members, bonds, filings, and deadlines. The office is structured so legal strategy and client support remain coordinated from the first call through the final resolution of the matter.

Sam Leads the Defense

Sam Cammack directs legal strategy, evaluates the State's evidence, advises clients, negotiates when appropriate, prepares cases for trial, and serves as defense counsel in court.

Holly Coordinates the Case

Holly Quinterro manages office communication, scheduling, case materials, filings, client coordination, and preparation support so clients and their families know what is happening next procedurally.

Preparation for Every Stage

The team assists with investigation, grand-jury materials, mitigation, motions, court settings, discovery organization, trial preparation, and the administrative work required to keep a criminal case moving.

The People Behind Your Houston Criminal Lawyers

Sam R. Cammack III and Holly A. Quinterro

Founder & Lead Attorney

Sam R. Cammack III

Sam R. Cammack III is the founder and lead criminal defense attorney of Your Houston Criminal Lawyers. Licensed in Texas since 2002, Sam previously served as a felony prosecutor in Harrison County before dedicating his practice to defending people accused of crimes.

His criminal-defense work includes matters involving murder, capital murder, and assault , DWI and DUI , drug and narcotics charges , family violence and domestic assault , theft, robbery, juvenile cases, and other misdemeanor and felony prosecutions.

Sam reports handling more than 20 murder and capital-murder matters across his career, with at least 16 homicide cases taken to jury trial. His serious-felony work includes acquittals, mistrials, lesser-included verdicts, dismissals, grand-jury proceedings, and cases covered by local and national news organizations.

23+ Years Licensed in Texas

20+ Murder & Capital Murder Matters*

16+ Homicide Jury Trials*

Former Felony Prosecutor

*Homicide and jury-trial figures are conservative attorney-reported career counts based on Sam Cammack's review of his practice history.

Read Sam's Full Biography Review Case Results

Speak With Sam's Office

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

Office Manager & Legal Assistant

Holly A. Quinterro

Holly A. Quinterro serves as Office Manager and Legal Assistant for Your Houston Criminal Lawyers. She brings more than twelve years of criminal-law office experience and plays a central role in keeping clients, families, court settings, case materials, and the legal team coordinated.

Working with Sam, Holly assists with case investigation, legal research, document organization, grand-jury materials, mitigation materials, trial preparation, e-filing, docket management, scheduling, and communications with clients and their families.

Holly frequently serves as the operational point of contact between the client, family members, Sam, courts, and other participants involved in the case. Her role is to help keep the office organized, communicate procedural information, and make sure important materials and deadlines remain coordinated under the attorney's direction.

Case Support: Criminal case coordination, document preparation, investigation support, trial preparation, grand-jury and mitigation materials
Office Operations: E-filing, docket management, scheduling, client communication, and multi-county case coordination
Notary: Certified Notary Public for the State of Texas — Notary ID 129375665

Office, Case Coordination & Notary Support

Phone: 713-224-4444 | Texas Secretary of State Notary Verification

Medai Digital

Your Houston Criminal Lawyers works with Medai Digital as an external technology and marketing partner. Medai supports the practice's website infrastructure, digital marketing, CRM systems, data workflows, automation, and AI-supported business technology.

The technology partnership is led by Dr. Medai Abadi , founder of Medai Digital. The purpose of the partnership is to support the systems behind the practice while Sam and Holly remain focused on legal representation, case preparation, and client communication.

Role clarification: Medai Digital is an external technology and marketing partner and does not provide legal representation or legal advice.

Visit Medai Digital

Facing Criminal Charges in Houston?

Contact Your Houston Criminal Lawyers to discuss the facts of your case and the next steps in the criminal process. The office is available 24/7.