Houston Criminal Defense Attorney Leslie LeGrand
Board Certified in Criminal Law by the Texas Board of Legal Specialization. Former Harris County prosecutor. Houston criminal defense and DWI attorney. Speak With LeslieFormer Harris County prosecutor · 24 years in Texas criminal law
A Life Shaped By The Law—And The Responsibility Of Defense
Leslie LeGrand is a Houston criminal defense and DWI attorney and the founder of Leslie LeGrand Law, PLLC. His family’s Texas legal tradition dates to 1937, when his grandfather began practicing law before later entering the ministry. Leslie’s father, sisters, and several cousins also followed careers in law.
Leslie began advocating for an accused citizen at age 15 through Harris County Teen Court in Judge Tom Lawrence’s court in Humble. That early experience grew into a career spanning prosecution, private defense, courtroom litigation, and the scientific evidence used in criminal cases.
From Prosecutor To Criminal Defense Attorney
Education
University of Houston, bachelor’s degree, 1999, including a semester at the Centre for Medieval and Renaissance Studies in Oxford, England. Vermont Law School, Juris Doctor, 2002.Harris County Prosecutor
Served as a misdemeanor, juvenile, and felony prosecutor, trying and handling cases ranging from DWI to serious violent and record-intensive financial offenses.Private Defense Since 2007
Joined Trichter & Murphy, P.C., later became a named partner of Trichter & LeGrand, P.C., and now leads Leslie LeGrand Law, PLLC.Recognized Special Competence In Criminal Law
Leslie is Board Certified in Criminal Law by the Texas Board of Legal Specialization and has practiced law in Texas since 2002. His experience on both sides of the courtroom informs a defense approach that asks what the State alleges, how the evidence was obtained and analyzed, and whether it can withstand scrutiny.
Examining The Science Behind The Accusation
A significant part of Leslie’s career has focused on DWI defense and the scientific evidence used in intoxication prosecutions. His experience includes breath and blood testing, toxicology, standardized field sobriety testing, drug recognition evaluations, and laboratory procedures. He has also tried cases involving DNA, fingerprints, and ballistics.
Testing & Toxicology
Experience evaluating how samples are collected, handled, tested, documented, and interpreted.Teaching Other Lawyers
Presentations have addressed breath testing, blood testing, drug recognition evaluations, the Intoxilyzer 9000, and advising clients after DWI arrests.Live Blood-Testing Trials
In 2018 and 2019, served as one of the attorneys conducting live blood-testing trials at Mastering Scientific Evidence.Sharing DWI And Scientific-Evidence Experience
Recognition And Involvement
Texas Super Lawyers
Selected from 2014 through 2026.Best Lawyers In America
Recognized for DUI/DWI Defense since 2024.Texas Rising Stars
Selected from 2011 through 2014.Professional involvement includes the Texas Criminal Defense Lawyers Association and the National College for DUI Defense.
The Government Bears The Burden
A criminal accusation is not a conviction. Leslie’s approach begins with a careful investigation of the facts, the law, and the evidence—then a case-specific strategy for protecting the client’s rights and future.
“The State’s evidence should be investigated, tested, and challenged when appropriate.”
Speak With Leslie LeGrand
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