Transcription
A Simplified Guide ToTrace Evidence
beincludedinthediscussion.
Principles of Trace 0s[1].Sherwin- ‐Williams ulaExpress als/258/forensic- oryServices,Chemistry(http://www.fbi.gov/about- ‐us/lab/scientific- ‐analysis/chem)
sionavailable.Why and when is trace evidence aserstofindandcollecttraceevidence.
dexaminationmadeitpossible.
How It’s DoneEvidenceThatMaybeCollectedHair- irsamplesareprimarilycollectedusingtweezers.Fiber- lycollectioncrucialtopreventlossofmaterialorcross- tingthematerialsatthelaboratory.
ratelybaggedtopreventcross- tp://www.nfstc.org/download/65)Glass- ecanbevaluableindeterminingend- ollectedatahit- ‐and- etin#3.(http://www.nfstc.org/download/65)Paint- layeredcolors,lustersandtypesoftenmakepainthigh- onevehiclehitsanothervehicle,a
regionalornationalfacilities.Thetypeof
doneusinghigh- wearinaside- ‐by- metry,induction- ‐coupledmassspectrometry,X- lbiologicalevidence.(CourtesyofNFSTC)
linnarrowingdownthepossibilitiesforsourceandco
Principles of Trace Evidence rensic!science!pioneer!in! ontact .
