known different source (KDS)
Toolmarks or specimens known to have been made by different tools or different working surfaces of the same tool.
Committee
Firearms & Toolmarks
Date Added to Lexicon
Standard Source (Designation Number Title of Standard. Publisher, Place, Year.)
ANSI/ASB Standard 124 Minimum Requirements and Recommendations for a Firearm and Toolmark Examiner Training Program. AAFS Academy Standards Board (ASB), 410 North 21st Street, Colorado Springs, CO, 2025.
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