Conference ProceedingsQuantitative Mapping of Post-Blast Nitroglycerin Residues on Pipe Bomb Fragments Using Total Vaporization Headspace (TV-HS) Solid Phase Microextraction-Gas Chromatography/Mass Spectrometry (SPME-GC/MS)Presenting section:Criminalistics2014Bors, Dana, Indianapolis IN; Goodpaster, John V., Indianapolis INView the paperCriminalistics