Knowledge Vault Blog

The Knowledge Vault Blog

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

View Blog Posts

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

Ask Deandra: Should I Answer the Officer’s Questions After a DWI Arrest?

The question: Should I answer the officer’s questions after a DWI arrest? The short answer: Almost never beyond identifying yourself. After a DWI arrest, you must provide your name, date of birth, and address. You do not have to answer questions about whether you’ve been drinking, where you’ve been, what you ate, or anything else […]

Deandra Grant to Present on Auto-Brewery Syndrome at the 2026 IAFTC Annual Conference

We are proud to announce that Deandra Grant, Managing Partner of Deandra Grant Law, will present on Auto-Brewery Syndrome at the International Association of Forensic Toxicology Consultants (IAFTC) Annual Conference on Friday, May 29, 2026, from 8:00 a.m. to 3:20 p.m. Eastern. The IAFTC brings together a global network of forensic toxicology experts, and this […]

A 120-Page Complaint

How a complaint by the Alabama Judicial Inquiry Commission led to the suspension of Jefferson County Probate Judge Yashiba G. Blanchard and what comes next   THE QUICK ANSWER On May 21, 2026, the Alabama Judicial Inquiry Commission filed a 120-page complaint against Jefferson County Probate Judge Yashiba G. Blanchard, charging her with seven categories […]

The Bock Sentencing: Why She Received 500 Months in Federal Prison

On May 21, 2026, U.S. District Judge Nancy Brasel sentenced Aimee Bock, the founder and executive director of the Minnesota nonprofit Feeding Our Future, to 500 months in federal prison (just over 41 years) for her lead role in a $250 million scheme to defraud a federally funded child nutrition program during the COVID-19 pandemic. […]

The Judge Who Tried to Pick Her Own Successor

THE GAVEL OF SHAME  •  CASE FILE NO. 2 How Fannin County district judge Laurine Blake earned a Public Admonition from the Texas State Commission on Judicial Conduct   THE QUICK ANSWER In 2025, the Texas State Commission on Judicial Conduct issued a Public Admonition to Laurine Blake, the longtime district judge in Bonham, Texas. […]

Probabilistic DNA Software in the Courtroom: What Defense Lawyers Need to Watch For

This month Cybergenetics (the company behind the TrueAllele probabilistic genotyping system) announced the launch of the TrueAllele Investigative Database (TA-ID), a tool built to re-examine DNA evidence that crime labs previously set aside as “inconclusive”: the low-level, partial, degraded, and mixed samples that traditional analysis could not search. The pitch is that thousands of stalled […]

The Hereford Judge Who Berated Children and Punished the Poor

How municipal judge Jennifer Eggen earned a Public Reprimand from the Texas State Commission on Judicial Conduct   THE QUICK ANSWER In October 2025, the Texas State Commission on Judicial Conduct issued a Public Reprimand to Jennifer Eggen, a former municipal judge in Hereford, Texas. The Commission found that she berated children and parents from […]