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Eliminating ill-founded eliminations in handwriting comparison cases
1US Secret Service, Washington, DC 20223.
Journal - Forensic Science Society
|July 1, 1991
Summary
Document examiners may wrongly exclude writers based on writing variations. This study clarifies how unknown conditions can cause misinterpretations of individual writing differences, improving forensic document analysis.
Area of Science:
- Forensic Science
- Document Examination
Background:
- Document examiners assess handwriting for authorship attribution.
- Discrepancies in handwriting can lead to erroneous exclusions of genuine writers.
Purpose of the Study:
- To identify and explain conditions that cause misinterpretation of individual writing variations.
- To reduce false exclusions in forensic document examination.
Main Methods:
- Analysis of case studies involving handwriting discrepancies.
- Review of factors influencing natural writing variation.
Main Results:
- Certain conditions, often unknown to examiners, can mimic significant differences.
- These conditions include physiological, environmental, and psychological factors.
Conclusions:
- Examiners must consider a broader range of factors when evaluating handwriting differences.
- A deeper understanding of natural variation is crucial for accurate authorship attribution.