Episodes

In this episode of Impairment Perspectives , host Joey Jones sits down with forensic toxicologist Amanda D’Orazio of NMS Labs for a conversation about the evolving world of drug-impaired driving toxicology. Amanda shares her path into forensic toxicology, her work helping shape national DUID testing recommendations, and the importance of standardizing drug testing practices across laboratories. The discussion explores how consensus recommendations are developed, why evolving drug trends require ...

In this episode of the Impairment Perspectives Podcast , host Joey Jones talks with forensic toxicologist Donna Papsun of NMS Labs about emerging drug trends, novel psychoactive substances, and the public health role of forensic toxicology. Their conversation covers kratom, synthetic opioids, nitazenes, orphines, designer benzodiazepines, xylazine, lab funding challenges, real-time drug surveillance, and the importance of clear scientific communication. Donna also shares career advice, reflectio...

In this episode of Impairment Perspectives , host Joey Jones talks with David Zimmerman, Assistant Laboratory Director at the Kern Regional Crime Laboratory, about the science and practice behind forensic alcohol testing. David shares his path from chemistry teacher to forensic toxicologist, explains why headspace gas chromatography with flame ionization detection remains a reliable standard in the lab, and discusses troubleshooting, measurement uncertainty, courtroom communication, and the real...

In this episode of Impairment Perspectives , host Joey Jones is joined by Amy Berning and Jen Harmon for a timely discussion on the science, policy, and real-world implications of lowering the legal BAC limit to 0.05. Drawing on Amy’s 36-year career at NHTSA and Jen’s forensic toxicology expertise, the conversation explores Utah’s 0.05 law, the 2024 Drugs and Human Performance Fact Sheets, impaired driving research, and how data-driven policy can shape the next major shift in traffic safety.

In this episode of Impairment Perspectives , host Joey Jones speaks with Rob Moore and Rebecca Wood, the clinical scientists behind The Tox Lab podcast. Together, they discuss the evolving world of clinical and forensic toxicology, the rise of emerging synthetic drugs like nitazenes and orphines, and the growing need for advanced testing methods such as high-resolution mass spectrometry. The conversation also explores the challenges of interpreting complex toxicology data, training the next gene...

In this episode of Impairment Perspectives, host Joey Jones sits down with Aaron Botts, a Denver Police Department corporal, DRE specialist, instructor, and adjunct professor, for a wide-ranging conversation on impaired driving enforcement, training, and leadership. Aaron shares how his frontline experience and academic work shape his approach to teaching officers how to recognize impairment more effectively and ethically. The episode highlights Aaron’s “Detection in 60 Seconds” philosophy, a da...

In this episode of Impairment Perspectives , host Joey Jones is joined by Colorado TSRP Jen Knudsen to explore the realities of impaired-driving prosecution in a post-cannabis landscape. Jen shares practical insight on what makes DUI and DRE cases stand up in court—from stronger report writing to confident testimony—and how prosecutors, officers, and scientists can better connect their work to the elements of the case. It’s a candid conversation about courtroom challenges, evolving science, and ...

In this episode of Impairment Perspectives , Dr. Joey Jones sits down with analytical chemist Lauren Holliday to talk about non-linear career paths in forensic toxicology and beyond. They discuss her move from South Carolina to Boston for graduate school, early experiences in evidence accessioning and toxicology, and the mentors who shaped her growth with tools like GC-MS and LC-MS/MS. The conversation also explores her transition into environmental chemistry and pesticide testing at a wastewate...

In this episode of the Impairment Perspectives Podcast , host Joey interviews Jen Harmon—nationally recognized forensic science and public administration leader with more than 20 years of experience spanning toxicology, crime lab leadership, and policy work. Jen shares her journey from volunteering as a young intern at the Orange County Crime Lab to supervising forensic alcohol operations and ultimately overseeing multiple lab sections as an assistant director. Along the way, she reflects on lea...

This episode of the Impairment Perspectives podcast features a conversation with veteran law enforcement officer and Drug Recognition Expert (DRE) Mike Teixeira. Drawing from decades of frontline experience, Teixeira shares how impaired driving enforcement has evolved—from the early days of minimal drug training to today’s standardized testing protocols. He discusses lessons from the field, report writing that holds up in court, courtroom testimony, and the importance of continual learning. The ...

In this episode of Impairment Perspectives , we talk with Tom Page, a pioneer in the development of the Drug Recognition Expert (DRE) program. He shares how his early work in public health and law enforcement shaped his approach to drug-impaired driving, and how the DRE program evolved from street-level observations to a nationally recognized training model. Listeners will hear about the challenges, breakthroughs, and key players behind the program’s growth, along with advice for today’s officer...

In this debut episode of Impairment Perspectives, forensic toxicologist Dr. Sabra Jones shares her personal and professional journey into the field of forensic science. From her early exposure to substance abuse in her hometown to an unexpected internship at the FAA toxicology lab, Dr. Jones reflects on the pivotal moments, mentors, and career decisions that shaped her path. The conversation also explores her passion for education, her role in the Regional Toxicology Liaison (RTL) program, and t...