National Trace Evidence Materials Database SWGMAT Oversight Edward G. Bartick Suffolk University Boston, MA.

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Presentation transcript:

National Trace Evidence Materials Database SWGMAT Oversight Edward G. Bartick Suffolk University Boston, MA

Statistical Considerations “For the rational study of the law the black letter man may be the man of the present, but the man of the future is the man of statistics and the master of economics.” - Oliver Wendell Holmes Jr., The path of the Law, 10 Harv. L. Rev. 457, 469 (1897).

Statistical Considerations Digital libraries containing analytical instrument data, plus chemical, physical, and manufacturing text information on materials frequently found at crime scenes are the means to provide a statistical basis for evidentiary materials. - Edward G. Bartick, “Chemistry is Winning the war against Crime”, Mark Weiss, Industrial Chemist 9(2), 28 (1988).

Some Current Databases Automotive Paints, PDQ – RCMP SWGMAT, International, total characterization including make, model, and year Adhesive Tapes – Duct, Packaging, & Electrical Fibers – FBI by Polymeric type, UK FSS by Case Samples, U. South Carolina by total characterization U. South Carolina by total characterization Drugs – Georgia State Crime Lab, New by ATR Explosives – FBI: IR and Raman Copy Toners – U. Lausanne, FBI SEM/EDS Variety of Materials - (SLICE) FBI

Current National Databases CODIS AFIS IBIS

SWGMAT DATABASE SUBGROUP

Universal Format Software Wide variety of data types - Instrumental data - Manufacturer information - Physical properties - Chemical properties

Oversight Data for Various Material Types Managed at Specialty Sites

POTENTIAL FUNDING - NIJ MANAGEMENT - NIST