Forensic Toxicology Blog

Evidence-based articles about toxicology, expert testimony, legal developments, alcohol, drugs, and forensic testing.

1st May
DNA Contamination

How DNA Contamination Can Change a Court Case

When a crime occurs, scientists may use DNA evidence to ascertain who are possible suspects and, in some cases, find them guilty in court. Yet relying so heavily on such a sensitive test can have consequences, especially in criminal court cases.

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28th Apr
Expert Witness

Why an Expert Witness Can Change a Case Outcome

Every court case is different, meaning the experts the case requires will vary, whether for the benefit of the prosecution or defense. Hiring an expert witness means that there will be someone with a deep understanding of the subject under litigation to weigh in on the case.

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24th Apr
medical marijuana card

Medical Marijuana Cards: Rights, Limits and What to Know

Legalizing marijuana continues to be a hot topic in the United States, whether speaking about recreational or medicinal use. At the time of printing, it was legal to purchase marijuana for medical use in 33 states – with more states, such as Kentucky , advancing bills for legalizing.

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17th Apr
Sweat Patch Testing

Sweat Patch Drug Testing: Accuracy and Limitations

Toxicology plays a large role in various legal cases by serving as evidence for or against the presence of drugs and alcohol in the human body. As the science of toxicology constantly progresses and advances, different methods are introduced to the industry.

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26th Apr
Blood Testing

Can Blood Tests Determine a Person’s Age?

Forensic Science has progressed over the years, with the advancements in blood testing proving to be extremely useful in many cases. Although TV shows today, such as CSI or True Detective, make blood testing and DNA analysis seem unsurpassable, the current forms of blood testing have had their…

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19th Apr
Toxicology Report On The Impact Of The Opioid Epidemic

The Opioid Epidemic: A Toxicology Report

The United States has paid a heavy toll for the nation’s opioid epidemic. Opioid-related deaths have placed a heavy burden on the country and one of the hidden impacts of this crisis is how it affects American pathologists across the United States.

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29th Mar
Toxicology Co-Counsel

Recreational Marijuana Use: A Toxicology Co-Counsel’s Analysis

While attorneys are well versed in the proper practices of law, it is often necessary for them to seek co-counsel in specific fields. One field that continues to be searched for by attorneys is toxicology co-counsel .

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22nd Mar
expert witness

Drug-Injection Sites: An Expert-Witness Analysis

A few months ago, a panel consisting of expert witnesses , drug experts and politicians met to discuss the opioid epidemic devastating New England. The panel promoted safe injection sites as a solution. A safe injection site is a place an addict could inject heroin without fear of getting arrested.

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15th Mar
Forensic Toxicologist

New Drug-Testing Protocols: A Forensic Toxicologist’s Analysis

Forensic toxicologists all over the country are tasked with testing evidence collected from all of the crime scenes that law enforcement personnel investigate. This testing includes drug evidence from every crime scene imaginable, from homicides to simple traffic citations for drug possession…

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30th Nov
Expert Witness

Expert-Witness Challenges in the Courtroom

This article explains Expert-Witness Challenges in the Courtroom and the scientific, legal or practical evidence readers should understand.

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23rd Nov
Types Of DUI Alcohol Testing

DUI Alcohol Testing: Methods, Accuracy and Limitations

This article explains DUI Alcohol Testing: Methods, Accuracy and Limitations and the scientific, legal or practical evidence readers should understand.

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26th Oct
Gunshot Residue Testing

Gunshot Residue Testing: Methods, Evidence and Limitations

This article explains Gunshot Residue Testing: Methods, Evidence and Limitations and the scientific, legal or practical evidence readers should understand.

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Recent Blog Articles

Judge Robert S. Draper’s Verified Answer in CJP Inquiry No. 212

Primary-source document: Judge Robert S. Draper’s verified answer to the California Commission on Judicial Performance’s Notice of Formal Proceedings in Inquiry No. 212. The answer was filed on February 4, 2026. In it, Judge Draper denies violating the judicial canons cited by the Commission, disputes the Commission’s characterization of several…

Read Article: Judge Robert S. Draper’s Verified Answer in CJP Inquiry No. 212

Age, Balance, and Field-Sobriety Evidence: What Population Research Can Show

Age-related balance research helps frame evidence review, but population averages do not diagnose impairment or establish why one person swayed.

Read Article: Age, Balance, and Field-Sobriety Evidence: What Population Research Can Show

Kratom Cardiac Arrest and the Limits of a Mitragynine Blood Level

A 500 µg/L mitragynine result in a survived cardiac arrest illustrates why concentration, treatment, specimen timing, and alternative causes matter.

Read Article: Kratom Cardiac Arrest and the Limits of a Mitragynine Blood Level