Monthly Archives: January 2016

The Difference Between a Drug Test and a Drug Screen

THE OKOROCHA FIRM * January 27, 2016 Forensic Toxicology

This article explains The Difference Between a Drug Test and a Drug Screen and the scientific, legal or practical evidence readers should understand.

DUI Breath vs. Blood Test

THE OKOROCHA FIRM * January 13, 2016 Forensic Toxicology

This article explains DUI Breath vs. Blood Test and the scientific, legal or practical evidence readers should understand.

Beating Synthetic Urine

THE OKOROCHA FIRM * January 6, 2016 Forensic Toxicology

This article explains Beating Synthetic Urine 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.

Read Article: Postmortem Methamphetamine Evidence: A Litigation Checklist

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