Archive - The Science of Toxicology Testing

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…

Jul 18 •

Challenging the Validity of SFSTs and Drug Recognition Testing with David Rosenbloom

Unveiling the truth behind SFSTs and Drug Recognition Testing

Jul 3 •

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.

Mar 28 •

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…

Mar 6 •

and

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.

Feb 22 •

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.

Jan 31 •

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.

Jan 24 •

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…

Jan 17 •

and

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!

Jan 15 •

The Challenges of Alcohol and Drug Testing with Dr. Ronald Henson

Jan 10 •

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!

Jan 2 •

December 2023

Inside the DMT Testing Process: A Step-by-Step Explanation

I walk you through the DataMaster DMT testing process.

Dec 28, 2023 •

14:37

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