Okorie Okorocha, J.D., M.S., M.S. • Attorney • Forensic Toxicologist • Expert Witness

SCIENCE. STRATEGY. TRIAL EXPERIENCE.

Serious representation when medicine, drugs, alcohol, toxicology, or complex scientific evidence can determine the outcome.

When the case depends on the science, your lawyer should understand the science.

(424) 363-3347

Illustration of specimen tubes, evidence bags, and documentation on a laboratory bench
Specimens and records
Illustration of an analytical instrument, specimen vials, and a chromatogram on a laboratory monitor
Laboratory analysis
Illustration of a printed chromatogram beside a sample vial and pen
Reviewing the data

Forensic toxicology expert witness

Independent scientific analysis when toxicology evidence matters.

Drug and alcohol evidence can appear definitive while leaving critical scientific questions unresolved. Forensic-toxicology analysis may address specimen integrity, analytical methodology, pharmacology, claimed impairment, measurement uncertainty, laboratory limitations, and whether the stated conclusion follows from the available data.

Forensic toxicology report and litigation strategy materials prepared for scientific evidence review

Where science meets the courtroom

Forensic Toxicology

Drug and alcohol evidence can look definitive while leaving critical questions unanswered. Analysis may require review of specimen integrity, analytical methodology, pharmacology, impairment, measurement uncertainty, laboratory limitations, and whether the conclusion actually follows from the data.

Attorney beside a client in a courtroom

Serious-felony matters

Criminal Defense

The criminal-defense practice is limited to serious felony matters, including murder or manslaughter, sex-crime, and white-collar allegations. Forensic, toxicological, medical, and other scientific evidence is evaluated when relevant.

Explore Serious-Felony Defense

Medical imaging and accident reconstruction materials organized for complex civil case review

Civil representation

Complex Civil Cases

Personal injury, wrongful death, catastrophic injury, employment, and civil-rights matters can turn on medical causation, toxicology, drug or alcohol evidence, laboratory findings, and competing expert opinions.

Professional license certificate and administrative hearing files prepared for California license defense

Board and State Bar matters

Professional License Defense

Defense of attorneys, physicians, nurses, dentists, pharmacists, and other California licensees facing complaints, investigations, Accusations, disciplinary hearings, probation, or reinstatement.

Explore Professional License Defense

Science-backed litigation resources

A connected legal and forensic-toxicology authority

Use the Evidence Library for focused technical topics, ForensicToxicology.com for broader educational and research material, and The Okorocha Firm for representation, consultation, and expert-witness retention.

Science. Strategy. Trial Experience.

For expert-witness consultation or legal representation involving complex scientific evidence, call (424) 363-3347.

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Recent Blog Articles

A CB1 Mutation Changed Cannabinoid Tolerance Differently Across Testing Methods

A receptor mutation delayed tolerance to WIN55,212-2 more consistently than to CP55,940, and the result also depended on how tolerance was measured. Fixed-dose behavior and dose-response shifts were different tests. Two agonists and several endpoints Investigators compared desensitization-resistant S426A/S430A mice with controls in thermal, formalin and chemotherapy-neuropathy experiments. Both challenge…

Read Article: A CB1 Mutation Changed Cannabinoid Tolerance Differently Across Testing Methods

Endocannabinoid Enzyme Inhibition Delayed Neuropathy Without Permanently Preventing It

Two FAAH inhibitors suppressed pain-related behavior during treatment, but neuropathy emerged after restricted preventive dosing stopped. Delaying an endpoint was not the same as permanently preventing the condition. Indirect cannabinoid-system modulation Researchers compared brain-permeant URB597, peripherally restricted URB937 and a direct synthetic agonist in paclitaxel-treated mice. FAAH inhibition alters endogenous…

Read Article: Endocannabinoid Enzyme Inhibition Delayed Neuropathy Without Permanently Preventing It

A GPR55 Barrier Study Did Not Demonstrate THC-Induced Blood–Brain Barrier Injury

A study of GPR55 activation changed experimental barrier measurements, but its test substance was lysophosphatidylinositol, not THC. A cannabinoid-related receptor label cannot substitute for the actual exposure. Cells and animals answered different questions Researchers examined rat brain microvascular endothelial cells using calcium, electrical-resistance and junction-related measurements. Animal experiments also assessed…

Read Article: A GPR55 Barrier Study Did Not Demonstrate THC-Induced Blood–Brain Barrier Injury