About

Gregory N. Smith is a partner at Grant, Miller & Smith, LLC in St. Louis, Missouri, known for his unique background and strong record in criminal defense, juvenile law, and family law. He combines his legal skills with a rare level of scientific training that sets him apart in complex cases. His clients benefit from his deep knowledge of DNA evidence, lab procedures, and biological testing tools that often play a key role in criminal cases today. Clients trust Gregory to uncover the facts, challenge flawed evidence, and defend their rights every step of the way.

Gregory earned his B.S. in Biology from James Madison University in 1998, then completed his M.F.S. in Forensic Science at George Washington University in 2000. He later earned his J.D. from Saint Louis University School of Law in 2006, focusing on criminal litigation. Before becoming a lawyer, Gregory worked as a DNA analyst for the Armed Forces DNA Identification Laboratory, earning a Noble Eagle Award for helping identify victims of the September 11, 2001, terrorist attacks.

Gregory’s career reflects his commitment to providing exceptional criminal defense. He serves on the Criminal Justice Act Lead Panel for the federal Eastern District Court of Missouri, representing clients in serious federal matters. He has also completed specialized training in DWI detection and standardized sobriety testing through the National Highway Traffic Safety Administration (NHTSA). Gregory’s attention to detail and science-based approach give clients a critical advantage in cases involving DNA, lab evidence, and forensic testimony.

Beyond criminal defense, Gregory N. Smith also handles juvenile law and family law matters, always working to protect his clients’ rights and futures. He is an active member of the Missouri Bar, the Bar Association of Metropolitan St. Louis, and both state and national associations for criminal defense lawyers. Gregory’s dedication, courtroom experience, and scientific expertise make him a trusted advocate for clients facing tough challenges.

Law Office Affiliations

  • Partner, Grant, Miller & Smith, LLC
  • Member, Bar Association of Metropolitan St. Louis
  • Member, The Missouri Bar
  • Member, Missouri Association of Criminal Defense Lawyers
  • Member, National Association of Criminal Defense Lawyers
  • Member, U.S. District Court, Eastern District of Missouri
  • Member, U.S. District Court, Southern District of Illinois

Licensed State

  • Missouri

Education

  • Saint Louis University School of Law
    Juris Doctor (JD)
  • George Washington University
    MFS in Forensic Science
  • James Madison University
    BS in Biology

Awards & Badges


Bar Association of Metropolitan St. Louis Missouri Bar Association Missouri Association of Criminal Defense Lawyers - MACDL National Association of Criminal Defense Lawyers U.S. District Court for the Eastern District of Missouri U.S. District Court Southern District of Illinois
  • Child Abuse & Neglect
  • Child Custody
  • Child Support
  • Divorce & Separation
  • Domestic Violence
  • Marriage And Prenuptials
  • Drug Crime
  • DUI & DWI
  • Juvenile
  • Sex Crime
  • Speeding And Traffic Ticket
  • White Collar Crime

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