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

Attorney Deandra M. Grant Included in D Magazine’s Best Lawyers List

Attorney Grant Is Attorney at Law Magazine's New Local Legal Authority in DWI for Collin, Dallas, and Denton Counties

Attorney Deandra M. Grant attained the tremendous honor of being named to D Magazine’s Best Lawyers in Dallas list. The list, which is compiled annually, is based on peer nominations and an evaluation by a panel of lawyers and D Magazine’s editors. Attorneys cannot nominate themselves for this distinction, and those who submit names for consideration […]

Enhanced Penalties During Coronavirus

Enhanced Penalties During Coronavirus

Yet another unintended consequence of the current COVID-19 pandemic is the enhancement of penalties for certain types of crimes when the Governor declares a State of Emergency in Texas. Just such a thing happened on March 13, 2020, when Texas Governor Gregg Abbott issued an emergency declaration in response to the COVID-19 outbreak. Some of […]

What Is an Occupational or Essential Needs License?

What Is an Occupational or Essential Needs License

When a person gets arrested for Driving While Intoxicated (DWI) in Texas, two legal trains simultaneously take off from the station – one is the criminal charge and the other is the potential driver’s license suspension. One of these trains is criminal (DWI) while the other is civil (driver’s license). The Department of Public Safety […]

Charged or Suspected of a Sex Crime? Hire an Attorney Now!

Charged or Suspected of a Sex Crime Hire an Attorney Now!

Facing a sex crime accusation is devastating. Even if the sex crime allegation is shown to be false, the damage done can last a lifetime. Often, when someone finds out that there is some type of sex crime accusation against them, they feel completely overwhelmed and shut down. They do nothing in their defense while […]

How Misdemeanors and Felonies Proceed in Texas

How Misdemeanors and Felonies Proceed in Texas

You’ve been arrested or received a ticket on a state charge. Now what? In Texas, we have three levels of misdemeanor charges and four levels of felonies. Misdemeanors are classified as A, B or C with Class C misdemeanors being the lowest level. Felonies are classified as State Jail, 3rd Degree, 2nd Degree or 1st Degree. CONTACT US! […]

Defending a Drug Charge in Texas

Defending a Drug Charge in Texas

Texas has earned a reputation for being tough on drug crimes. Prison populations in Texas have jumped, thanks to the “zero tolerance” attitude that politicians take when it comes to drug offenses. Even the sale of marijuana carries the potential for a life sentence in Texas. Texas arrests more than 70,000 people a year just […]

5 Reasons to Hire a Criminal Defense Attorney Now

5 Reasons to Hire a Criminal Defense Attorney Now

Often I speak with people weeks, if not months, after they were arrested or a police investigation has begun. Their first contact with possible defense counsel occurs only after they have been ordered to appear in court on criminal charges. This is a mistake. Understanding. A defense attorney can help you understand what you are charged […]

How To Get Someone Out Of The Dallas County Jail: A Guide

How To Get Someone Out Of The Dallas County Jail A Guide

“Hello, you have a collect call from an inmate at the Lew Sterrett Justice Center Detention Facility. To accept the charges…” If I had a dollar for every time I’ve received that phone call in the middle of the night, I’d probably have enough to afford a couple dozen rolls of toilet paper on the […]