Monthly Archives: February 2018

What Causes a False Positive Drug Test Result

THE OKOROCHA FIRM * February 23, 2018 Forensic Toxicology

This article explains What Causes a False Positive Drug Test Result and the scientific, legal or practical evidence readers should understand.

The Accuracy of Alcohol Testing

THE OKOROCHA FIRM * February 20, 2018 Forensic Toxicology

This article explains The Accuracy of Alcohol Testing and the scientific, legal or practical evidence readers should understand.

Forensic Toxicology: How Drugs Affect Driving

THE OKOROCHA FIRM * February 16, 2018 Forensic Toxicology

This article explains Forensic Toxicology: How Drugs Affect Driving and the scientific, legal or practical evidence readers should understand.

Recent Blog Articles

September 18, 2026

Postmortem Methamphetamine Evidence: A Litigation Checklist

A litigation-focused checklist for evaluating postmortem methamphetamine evidence, including sampling site, redistribution, tolerance, overlapping concentrations, and laboratory records.

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September 15, 2026

Edible vs. Vaporized Cannabis: Why Timing Changes the Evidence

The route of cannabis use changes the timing of both blood THC and observed effects. Controlled research shows delayed effects after edibles and rapidly falling blood THC after vaporization, even while performance effects continue.

Read Article: Edible vs. Vaporized Cannabis: Why Timing Changes the Evidence

September 15, 2026

Does THC Dilate Pupils? What Controlled Pupillography Found

The common claim that cannabis necessarily causes dilated pupils is too simple. A controlled pupillography study found reduced pupil size and a slower, less pronounced response to light after intravenous THC.

Read Article: Does THC Dilate Pupils? What Controlled Pupillography Found