Here is the honest answer for Deandra Grant Law.
Managing Partner Deandra M. Grant has earned the ACS-CHAL Forensic Lawyer-Scientist designation from the American Chemical Society. Partner Douglas E. Huff holds the same designation. This is not an honorary credential. It requires demonstrated competency in the forensic chemistry and analytical methodology that underlies the evidence the prosecution uses in DWI and drug cases: gas chromatography, mass spectrometry, blood alcohol pharmacokinetics, toxicology, and the laboratory standards that govern how forensic evidence is produced.
What this means practically: when Deandra Grant reviews a blood alcohol test result, she is reviewing the raw laboratory data (the chromatogram, the calibration curve, the internal standard performance, the quality control records) not just the summary report that is handed to most defense attorneys. When she challenges a field sobriety test, she does so as a trained SFST instructor who administers and grades these tests professionally. The difference between a surface-level challenge and a chemistry-level challenge is the difference between an argument a prosecutor can deflect and one they cannot.
Deandra Grant holds a Master’s Degree in Pharmaceutical Science and a Graduate Certificate in Forensic Toxicology. These are not continuing education certificates. They are graduate degrees earned through coursework in pharmacokinetics, analytical chemistry, toxicology, and the scientific methodology that forensic evidence is built on.
This training applies directly to the cases clients bring to the firm. In a DWI case, it means retrograde extrapolation (the prosecution’s attempt to calculate what a defendant’s BAC was at the time of driving) can be challenged at the pharmacokinetic level, not just the legal argument level. In a drug case, it means the laboratory’s identification and quantification of a controlled substance can be evaluated at the chemistry level. In a DUID case, it means the distinction between the presence of a drug in biological specimens and actual impairment of normal mental or physical faculties can be argued with scientific precision.
Deandra Grant is a trained Standardized Field Sobriety Test instructor. She administers and grades the ACS-CHAL Forensic Lawyer-Scientist examination and the DUIDLA Board Certification examination.
When Deandra Grant cross-examines a police officer about field sobriety test administration, she is doing so from the position of someone who trains and grades other practitioners on the same tests. She knows the NHTSA protocol in detail. She knows what a properly administered HGN looks like, what the correct stimulus movement speed is, what the four-second hold time requirement means, and what specific protocol deviations undermine the scientific foundation of the results. That cross-examination goes to the protocol and not just whether the officer was certified.
Deandra Grant Law was founded on more than three decades of North and Central Texas criminal defense practice. More than 500 cases have been tried to verdict. This is not a firm that settles everything and rarely sees a courtroom. Trial experience matters because prosecutors know which defense attorneys will actually try a case and that knowledge influences every stage of a case from the initial charging decision through plea negotiations.
The firm’s trial experience spans the full range of criminal defense: DWI at every level from first offense through felony, drug crimes from Class B misdemeanor to federal trafficking, assault and family violence, robbery, theft, gun crimes, white-collar offenses, and federal criminal charges across all four Texas federal districts.
Of Counsel James Lee Bright has more than 25 years of federal criminal trial experience and is admitted to practice in all four Texas federal districts (the Northern, Eastern, Southern, and Western Districts of Texas) as well as the District of Columbia, the Fifth Circuit Court of Appeals, and the United States Supreme Court. He has tried federal cases to verdict including multi-defendant, nationally prominent cases.
Federal criminal defense is a fundamentally different practice from state court. The U.S. Sentencing Guidelines, mandatory minimums, the grand jury process, federal rules of evidence, and the cooperation dynamics that drive federal case resolutions all require specific federal experience. Having James Lee Bright available for federal matters (from pre-indictment strategy through trial and appeal) is a capability most North Texas criminal defense firms cannot offer.
Partner Douglas E. Huff completed advanced digital forensics training. This training covers cell phone data extraction, call detail records, IP attribution, metadata analysis, and the authentication requirements for digital evidence under the rules of evidence. Digital evidence (text messages, social media records, location data, email, financial transaction records) is the evidentiary foundation of most fraud, theft, sex offense, and trafficking cases. The ability to evaluate that evidence at the technical level, rather than relying solely on the prosecution’s characterization of it, is a meaningful defense advantage.
Deandra Grant has authored 17 published law books including A First Offender’s Guide to Texas Criminal Courts, Assault Charges in Texas, Arrested for Drugs in Texas and The Texas DWI Manual. Publishing at this level requires mastery of the subject matter sufficient to write authoritatively for an audience of other legal professionals. It is one of the clearest signals that a lawyer’s knowledge in a practice area is genuine rather than general.
AI receptionist available 24/7. Deandra Grant Law uses an AI receptionist that answers calls around the clock, every day of the year. If you are arrested at midnight, if you receive a notice of suspension on a holiday weekend, or if you need to reach the firm outside of business hours, you will not get a voicemail. You will get a response. The 15-day ALR deadline does not pause for business hours, and neither does our intake.
If you are facing criminal charges or DWI in Texas, call (214) 225-7117 for a free, confidential consultation. Or schedule online at texasdwisite.com.
(214) 225-7117
Experienced DWI Defense