Glenn Hardin interprets alcohol and drug tests for plaintiff and defense in civil and criminal matters.
Services include:
  • Scientific interpretation of alcohol and drug tests
  • Case evaluation and strategy
  • Preparing for deposition and trial
  • Reports and expert testimony on:
    • Impaired driving
    • Dram shop
    • Death investigation
    • Drug facilitated sexual assault
    • Child custody
    • Workers compensation
    • Sports doping
A review of case evidence and records can answer these and other questions:
  • Was the alcohol or drug test reliable?
  • Was the test sample handled properly?
  • When did alcohol or drug use occur?
  • Did alcohol or drug use affect performance, behavior or memory?
  • Did other issues impact the situation?
Factors that can complicate drug and alcohol tests include:
  • Tolerance due to a history of drug usage
  • Simultaneous use of multiple drugs
  • Changes in blood drug concentrations after death
Often a report enables a case to settle.

Glenn Hardin is a board certified forensic toxicologist with over 25 years of drug and alcohol testing experience. He is recognized as an expert witness and has testified in over 250 cases in state, federal, and military courts. Glenn is board certified as Fellow of the American Board of Forensic Toxicology (F-ABFT).

Author or co-author of three peer-reviewed articles on forensic toxicology, Glenn holds an appointment as professor of practice in the department of criminal justice and forensic science at Hamline University. Glenn also serves as laboratory director at Midwest Monitoring and Surveillance.

Before joining the Hamline faculty Glenn spent 19 years at the Minnesota Bureau of Criminal Apprehension Forensic Science Laboratory. During his last 10 years at the BCA Glenn was toxicology supervisor, responsible for providing project management and technical direction for the laboratory’s toxicology section, involving drug, chemical, blood alcohol, and breath-alcohol testing. Glenn provided expert witness testimony in complex cases involving interpretation of alcohol, drug, and chemical tests.

Glenn holds a master’s degree in forensic science and a bachelor’s degree in chemistry from the University of California at Berkeley, and is a Fellow of the Toxicology Section of the American Academy of Forensic Sciences.