Forensic Method Validation: From Study Design to Reliable Reporting
Understand developmental and internal validation, accuracy, precision, limitations, validation data, and how…
5 Forensic Facts About Pollen, Glass, Gunshots and Hidden Digital Evidence
Can pollen reveal a location? Can glass fragments be compared? Discover five…
NIST OSAC Adds Two Firearm and Toolmark Standards in November 2026
NIST’s OSAC Registry added two firearm and toolmark standards on November 3,…
Forensic Error Rates: Why Inconclusive Results Matter
A practical explanation of false positives, false negatives, inconclusive decisions and the…
Forensic Glass Analysis: Refractive Index, Elemental Composition and Interpretation
How glass fragments are recovered, compared by refractive index and elemental methods,…
Y-STR Evidence Helps Close Melissa Ann Smith’s 1974 Cold Case After 52 Years
Utah investigators used preserved Y-STR evidence and other findings to close Melissa…
Fire Debris Analysis: How Laboratories Detect Ignitable Liquid Residues
How forensic laboratories extract and interpret ignitable liquid residues in fire debris…
Forensic Geology: How Soil and Mineral Evidence Is Compared
Explore forensic geology, soil evidence recovery, mineralogical and chemical comparison, variation between…
Syria Reports First DNA Identifications of Missing People
Newly reported DNA identifications in Syria include seven members of a family…
Gunshot Residue Analysis: What SEM-EDS Can and Cannot Establish
Understand primer gunshot residue, SEM-EDS particle classification, transfer and persistence, and why…
Edward Henry, Azizul Haque and Hem Chandra Bose: The Real History of Fingerprint Classification
Explore the Henry fingerprint classification system and why Azizul Haque and Hem…
Leone Lattes: The Pioneer Who Brought Blood Group Testing to Forensic Stains
The scientific history of Leone Lattes, whose early bloodstain grouping methods connected…
Karl Landsteiner: How Blood Groups Laid the Foundation for Forensic Serology
How Karl Landsteiner's discovery of the ABO blood group system transformed medicine…
Albert S. Osborn: The Pioneer Who Shaped Forensic Document Examination
Explore Albert S. Osborn's 1910 Questioned Documents, his scientific approach to disputed…
Song Ci: The Medieval Pioneer of Forensic Death Investigation
The life and legacy of Song Ci, the thirteenth-century Chinese official whose…
Calvin Goddard: The Comparison Microscope and the Rise of Forensic Firearm Identification
Learn how Calvin Goddard and his collaborators advanced firearm and toolmark comparison,…
Juan Vucetich: The Fingerprint Pioneer Behind the 1892 Francisca Rojas Case
How Juan Vucetich developed practical fingerprint classification and helped establish fingerprint evidence…
Frances Glessner Lee: The Nutshell Studies and the Science of Crime Scene Observation
Discover how Frances Glessner Lee transformed forensic training with the Nutshell Studies…
Footwear Impression Evidence: Recovery, Comparison and Limitations
A practical guide to recovering footwear impressions, comparing outsole features, and interpreting…
The DNA Beneath the Fingernails: What the Murdaugh Retrial Can—and Cannot—Prove
A judge has permitted independent testing of unidentified male DNA recovered beneath…