NAS 2009
Definition
US National Academy of Sciences report that found large parts of pattern-evidence forensics had no validated scientific basis. The reference point for any modern ethics question.
- Source
- US National Academy of Sciences
- Main finding
- Lack of validated scientific basis for pattern-evidence forensics
- Role today
- The reference point for modern forensic ethics discussions
Common questions
What did the NAS 2009 report find?+
The US National Academy of Sciences found that large parts of forensic science, especially pattern-evidence techniques, had not been validated by rigorous scientific methods. This made it a landmark moment for the field, raising questions about which techniques actually work as claimed.
Why is NAS 2009 important in forensic ethics?+
The report became the reference point for any serious discussion of ethics in forensic science. It forced the field to ask hard questions about reliability and pushed for better validation standards.
Which forensic techniques were questioned?+
Pattern-evidence methods were the main focus. These are comparison-based techniques that had been used in practice without formal scientific validation establishing that they work as claimed.
Related terms
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- DFSS
- Directorate of Forensic Science Services, India; issues the Forensic Laboratory Manual that governs glass and soil examination procedures, including the bromoform-based density...
- Forensic Science
- The application of scientific methods and knowledge to questions that arise in legal proceedings. The goal is producing findings that are reliable,...
- Locard's Exchange Principle
- The foundational idea that every contact between two surfaces moves material in both directions, giving the forensic process its starting premise: physical...
- Dactyloscopy
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- Ethics in Forensic Science
- Rules that bind the analyst to neutrality: testify only within expertise, document fully, declare conflicts, avoid prosecution bias.
- Principle of Individuality
- No two objects in nature, including fingerprints, dentition and DNA profiles, are identical at sufficient resolution. Underpins every identification claim.
Explained in these topics
- Forensic Science: Definition, History, Scope and EthicsUS National Academy of Sciences report that found large parts of pattern-evidence forensics had no validated scientific basis. The reference point for any mode...
- Forensic Science: Definition, Principles, History and EthicsUS National Academy of Sciences report that found large parts of forensic science had no validated scientific basis. The reference point for any modern ethics...