About

Deandra Grant is considered one of the best DWI lawyers in North Texas and a notable forensic scientist-attorney at the national level. Her almost thirty year career in criminal defense law has earned her an AV rating, multiple Super Lawyer awards from 2011-2025, and recognition from D Magazine and Best Lawyers Texas. She authored The Texas DWI Manual, teaching at forensic schools as well. What sets her apart is being the sole Forensic Lawyer-Scientist certified attorney in Texas by the American Chemical Society which specializes in blood and urine tests as well as breathalyzers giving her unmatched credibility in those fields. She pioneered chemical defense strategies concerning the Intoxilyzer 5000 having received a crash course through specialized instruction on DUID and forensic toxicology.