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Index/Topics/Coroner investigation process

Coroner investigation process

Process of coroner investigations, including toxicology reports and official findings

Fact-Checks

3 results
Jan 17, 2026

How do forensic toxicologists interpret fentanyl and methamphetamine blood levels in post-mortem testing?

Forensic toxicologists treat post-mortem fentanyl and methamphetamine blood numbers as one piece of evidence, not a standalone “smoking gun,” because postmortem redistribution (PMR), sampling site, ti...

Jan 10, 2026

How do forensic toxicologists distinguish therapeutic, toxic, and lethal fentanyl concentrations in individual cases?

Forensic toxicologists do not rely on a single cut‑off number to label a fentanyl concentration “therapeutic,” “toxic,” or “lethal”; instead they combine measured concentrations with specimen type and...

Jan 10, 2026

Did toxicology report list fentanyl and methamphetamine in George Floyd's system and what were the levels?

The official toxicology results made public after George Floyd’s death did list fentanyl and methamphetamine in his blood: fentanyl 11 nanograms per milliliter, its metabolite norfentanyl 5.6 ng/mL, a...

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