# What toxicology cannot decide

Topic: Criminal Responsibility Law
Topic URL: https://lindsay.conspirograph.com/topic/criminal-responsibility-law
Card URL: https://lindsay.conspirograph.com/topic/criminal-responsibility-law/card/24
Markdown URL: https://lindsay.conspirograph.com/topic/criminal-responsibility-law/card/24.md
Updated: 2026-08-13T12:40:53.806Z

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#### Card #05: What toxicology cannot decide

- URL: https://lindsay.conspirograph.com/topic/criminal-responsibility-law/card/24
- Markdown: https://lindsay.conspirograph.com/topic/criminal-responsibility-law/card/24.md
- Topic: Criminal Responsibility Law
- Updated: 2026-08-13T12:40:53.806Z
- Stable key: lindsay:card:legacy:24
- Published: 2026-08-13T12:40:53.806Z
- Materially updated: 2026-08-13T12:40:53.806Z
- Comments: 0

Filed topics:
- Primary: Medications & Toxicology — https://lindsay.conspirograph.com/topic/medications-toxicology (sort 3)
- Cross-filed: Criminal Responsibility Law — https://lindsay.conspirograph.com/topic/criminal-responsibility-law (sort 2)
- Cross-filed: Unresolved Questions — https://lindsay.conspirograph.com/topic/unresolved-questions (sort 1)

Summary:

Concentration is not the criminal-responsibility verdict.

Body:

[UNKNOWN] Therapeutic or non-toxic concentrations do not by themselves establish a person's mental state, medication interaction effects, or legal responsibility at a prior moment; those questions require clinical and legal analysis beyond the assay result. [Massachusetts instruction](https://www.mass.gov/info-details/model-jury-instructions-on-homicide-i-criminal-responsibility) · [Trial Day 7](https://www.youtube.com/watch?v=5YuM1a0J08Y)

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- No structured claims have been backfilled for this legacy card.

Evidence relationships:
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Links:
- https://www.mass.gov/info-details/model-jury-instructions-on-homicide-i-criminal-responsibility
- https://www.youtube.com/watch?v=5YuM1a0J08Y

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