Knowledge Vault Blog

The Knowledge Vault Blog

Forensic Science. Criminal Defense Strategy. The Law Behind the Law.

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Welcome to the Knowledge Vault Blog — where the attorneys, scientists, and forensic experts at Deandra Grant Law share what we know. This is not a typical law firm blog. It is a research library built by practitioners who teach forensic science courses, grade certification exams, and testify as experts in courtrooms across Texas.

Our Managing Partner, Deandra Grant, holds a Master’s Degree in Pharmaceutical Science, teaches the ACS-CHAL Forensic Lawyer-Scientist courses at Axion Analytical Labs, serves on the faculty of the Borkenstein Drug Course at Indiana University, and chairs the DUI Defense Lawyers Association’s national Board Certification program. She is a member of the American Academy of Forensic Sciences, the American Chemical Society, the Society of Toxicology, and the International Association of Forensic Science Consultants. Partner Douglas Huff brings ACS-CHAL credentials and Garrett Discovery digital forensics training. Federal Defense Attorney James Lee Bright contributes decades of experience in federal criminal practice.

Inside the Knowledge Vault you will find:

Hot Takes – The latest on high profile trials, changes to the law, rulings by the Supreme Court and forensic science news.

Forensic Science & DWI Defense — Deep analyses of blood and breath testing science, GC-FID instrument calibration, partition ratio variability, in vitro fermentation, retrograde extrapolation, and the pharmacokinetics of drug impairment. Written by attorneys who don’t just challenge the science — they teach it.

Field Sobriety Test Analysis — The history, validation research, and scientific limitations of the NHTSA Standardized Field Sobriety Tests, written by a certified SFST Instructor who was the first attorney in Texas to pass the Forensic Sobriety Assessment Certification exam.

Federal Criminal Defense — Guides to federal conspiracy, sentencing guidelines, proffer sessions, grand jury investigations, asset forfeiture, and the critical differences between state and federal prosecution. Written by attorneys who practice in federal courts across Texas.

Digital Forensics & Electronic Evidence — How cell phone location data, social media records, body cameras, call detail records, and computer forensics affect criminal cases — and how to challenge them.

Sex Crime Defense — Outcry witnesses, SANE exams, DNA evidence challenges, false accusations, registry implications, and defense strategies for the most serious allegations.

Emerging Science & Policy — Roadside cannabis testing technology, marijuana rescheduling and federal sentencing, Canadian travel after DWI, and the evolving intersection of science, law, and public policy.

Texas Criminal Courts & Local Practice — County-by-county courts guides, DA office profiles, courthouse walkthroughs, and city-specific enforcement patterns across Dallas, Collin, Denton, Tarrant, Rockwall, and McLennan counties.

Every article in the Knowledge Vault is written or reviewed by the attorneys at Deandra Grant Law.

We don’t publish filler. We publish the analysis we wish existed when we were building our own expertise and the information our clients deserve to have access to before they walk into a courtroom.

If you are facing criminal charges or a DWI in Texas and want to speak with the attorneys behind this work, call (214) 225-7117 or visit our Schedule an Appointment page for a free, confidential consultation.

Knowledge Vault Blog

Texas Senate Bill 9: What The New Bail Law Changes, When It Applies, And How To Protect Yourself

Texas SB 9 Bail Reform: What Changed And How It Affects Felony Cases

texasdwisite.com/blog/ — Prepared March 2026 By Deandra Grant, J.D., M.S. (Pharmaceutical Science), ACS-CHAL Forensic Lawyer-Scientist Texas Senate Bill 9 from the 89th Legislature made significant changes to felony bail in Texas, effective September 1, 2025. The law updates the Texas Code of Criminal Procedure, primarily Chapter 17, and affects how bail is set, who can […]

Arrested for Murder in Texas: Why You Must Not Give a Statement Before You Have a Lawyer

Arrested for Murder in Texas: Why You Must Not Give a Statement Before You Have a Lawyer

By Deandra Grant, J.D., M.S. (Pharmaceutical Science), ACS-CHAL Forensic Lawyer-Scientist When someone is arrested for murder in Texas, one of the first things law enforcement will attempt is an interrogation. Officers are trained specifically to elicit statements from suspects and they are good at it. The person sitting across the table from you is not […]

Sean Smith: NFL Cornerback’s Fall from Grace

Sean Smith: NFL Cornerback’s Fall from Grace

By Deandra Grant & Griffin Grant Welcome to The Defense File where we examine the criminal cases of public figures through the lens of Texas criminal law. Each entry looks at what happened in court, what the defense argued, and what a defendant would have faced (and how they might have been defended) if the […]

No-Contact Orders After a Family Violence Arrest in Texas: What They Are, What They Prohibit, and How to Handle Them

Charged with Assault Family Violence in Texas? What a Magistrate’s No-Contact Order Really Means for You

By Deandra Grant, J.D., M.S. (Pharmaceutical Science), ACS-CHAL Forensic Lawyer-Scientist Within hours of a family violence arrest in Texas, before you have spoken to a lawyer and often before you fully understand the charges against you, a magistrate will impose conditions on your release that can fundamentally alter your daily life. You may be ordered […]

Todd Helton: Rockies Legend’s Legal Troubles

Todd Helton: Rockies Legend’s Legal Troubles

By Deandra Grant & Griffin Grant Welcome to The Defense File where we examine the criminal cases of public figures through the lens of Texas criminal law. Each entry looks at what happened in court, what the defense argued, and what a defendant would have faced (and how they might have been defended) if the […]

Vince Young: From Gridiron Glory to Legal Troubles

Vince Young: From Gridiron Glory to Legal Troubles

By Deandra Grant & Griffin Grant Welcome to The Defense File where we examine the criminal cases of public figures through the lens of Texas criminal law. Each entry looks at what happened in court, what the defense argued, and what a defendant would have faced (and how they might have been defended) if the […]

Vontae Davis: NFL Star’s DUI Arrest and Tragic End

Vontae Davis: NFL Star’s DUI Arrest and Tragic End

Vontae Davis, born May 27, 1988, in Washington, D.C., was an NFL cornerback known for his athletic prowess and a shocking mid-game retirement. A standout at the University of Illinois, Davis was drafted 25th overall by the Miami Dolphins in 2009. He played three seasons with the Dolphins, earning a reputation for speed and coverage […]

Wander Franco: Rising Star’s Legal Battle in the Dominican Republic

Wander Franco: Rising Star’s Legal Battle in the Dominican Republic

Wander Franco, born March 1, 2001, in Baní, Dominican Republic, emerged as one of baseball’s brightest talents. A shortstop for the Tampa Bay Rays, Franco debuted in 2021 at age 20, showcasing elite skills with a .282 batting average and an All-Star selection in 2023. Signed to an 11-year, $182 million contract extension in 2021 […]

Baker Mayfield: From College Stardom to a Public Intoxication Scandal

Baker Mayfield From College Stardom to a Public Intoxication Scandal

Baker Reagan Mayfield, born April 14, 1995, in Austin, Texas, is an NFL quarterback currently playing for the Tampa Bay Buccaneers. A standout at Oklahoma University, Mayfield won the Heisman Trophy in 2017 as the first walk-on player to claim the award, throwing for 3,965 yards and 40 touchdowns that season. His journey began at […]

Charles Barkley: NBA Star’s Legal Troubles and Redemption

Charles Barkley: NBA Star’s Legal Troubles and Redemption

Charles Wade Barkley, born February 20, 1963, in Leeds, Alabama, is a Basketball Hall of Famer renowned for his dominance as an undersized power forward in the NBA. Drafted fifth overall by the Philadelphia 76ers in 1984 after a standout career at Auburn University, Barkley played 16 seasons with the 76ers, Phoenix Suns, and Houston […]