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Report to the President — Forensic Science in Criminal Courts: Ensuring Scientific Validity of Feature-Comparison Methods

Executive Office of the President, President's Council of Advisors on Science and Technology · September 2016 · 2016

Access and status

Cost

Free

Free to read or download at source. No account, no purchase.

Status

Current

Current as at the verification date below. Standards and tools both move — confirm at source before you rely on it.

What it is

A presidential advisory report distinguishing foundational validity — whether a method works at all, shown by empirical studies with measured error rates — from validity as applied by a particular examiner, and applying that distinction to feature-comparison disciplines such as latent prints, firearms marks, and bitemarks.

Who it is for, and when

The two-part validity framework is the most useful analytical tool in the report and transfers directly to any digital method that relies on examiner judgement rather than deterministic computation. Lawyers should read it before arguing that experience alone cannot establish reliability. Examiners should read it before writing a conclusion that implies a certainty their method cannot support.

What it does not cover

It is not digital-forensics-specific and examines no digital method; its subject is feature-comparison pattern disciplines. It was produced by an advisory body, was rejected by the Department of Justice at the time, and has no legal force; courts cite it selectively.

Go to the source

Open at obamawhitehouse.archives.gov (opens in a new tab)

https://obamawhitehouse.archives.gov/sites/default/files/microsites/ostp/PCAST/pcast_forensic_science_report_final.pdf

Details

Type
Paper or report
Written for
Lawyers and courtsWorking examinerAdvancedLawyers and courts, Working examiner, Advanced
Publisher
Executive Office of the President, President's Council of Advisors on Science and Technology
Version verified
September 2016
Year
2016
Topics
forensic-science-policy, validation, expert-testimony, reporting
Checked at source
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