The Science of Toxicology Testing

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The Problem of Breath Alcohol Concentration and Exhaled Volume
In forensic breath alcohol testing, there persists a naive belief that as a subject blows into a breath alcohol analyzer, breath alcohol concentration…
 • 
Aaron Olson
Challenging the Validity of SFSTs and Drug Recognition Testing with David Rosenbloom
Unveiling the truth behind SFSTs and Drug Recognition Testing
 • 
Aaron Olson
 and 
DAVID ROSENBLOOM
30:26

March 2024

The Accuracy of Standardized Field Sobriety Testing (SFST) with Dr. Greg Kane
The accuracy reported by SFST validation studies don't account for the false positives and the lack of control groups in the studies.
 • 
Aaron Olson
2
30:03
The Breath Alcohol Debacle in Massachusetts: Uncovering Withheld Evidence
Watch now | 27,000 breath alcohol tests in the Commonwealth of Massachusetts were called into question due to poor laboratory practices and the Office…
 • 
Aaron Olson
 and 
Joseph Bernard
32:08

February 2024

Case Study: Unreliable Results from SCRAM Transdermal Alcohol Device
Sweat, dirt, household chemicals and improper contact with the skin can cause erratic readings on transdermal alcohol devices like SCRAM.
 • 
Aaron Olson

January 2024

The Need for More Rigorous Sampling Requirements in Breath Alcohol Testing
Sampling parameters in breath alcohol testing vary widely from one jurisdiction to the next.
 • 
Aaron Olson
The Inadequacy of Mouth Alcohol Detection Systems in Breath Alcohol Testing
So-called "slope detectors" in breath alcohol analyzers don't always catch mouth alcohol.
 • 
Aaron Olson
Field Sobriety Testing and Drug Recognition: A Conversation with Noah Pesola
I talk with Noah Pesola, a former Montana State Trooper and private investigator with a background in drug recognition evaluation and field sobriety…
 • 
Aaron Olson
 and 
Noah Pesola
22:32
Introducing: The DWI Journal
I saw a need for a peer-reviewed journal dedicated to the science and law of DWI, so I started one!
 • 
Aaron Olson
The Challenges of Alcohol and Drug Testing with Dr. Ronald Henson
Dr. Ronald Henson, a drug and alcohol forensic consultant, joins the podcast to discuss the challenges and issues he’s encountered in alcohol and drug…
 • 
Aaron Olson
26:52
From Lab to Liberty: How Science Unlocked a Wrongly Jailed Man's Freedom
Another win for science to ring in the new year!
 • 
Aaron Olson

December 2023

Inside the DMT Testing Process: A Step-by-Step Explanation
I walk you through the DataMaster DMT testing process.
 • 
Aaron Olson
14:37
© 2024 Aaron Olson
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