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- Title
Latent Print Recovery on Post-Blast Improvised Explosive Device Components.
- Authors
Hijaz, Feras; Mills, Dawn M.; Book, Mary K.; Rivers, Jeff; Whitworth, W. Mark
- Abstract
The recovery of latent prints from post-blast improvised explosive device (IED) components can link a bomb maker to a specific device after an explosion occurs. Here, different combinations of IED substrates were assembled, spiked with latent prints, and detonated using trinitrotoluene (TNT), C-4, and ammonium nitrate and aluminum (ANAL). Latent prints (187) were developed on the post-blast IED components, resulting in a 63% latent print recovery. The substrates yielding the most developed latent prints were black vinyl tape, metal, and clear packing tape. The IEDs prepared with C-4 resulted in the highest percent recovery of latent prints; IEDs prepared with ANAL resulted in the least. Of the latent prints detected, 63% were determined to be suitable for comparison by qualified latent print examiners. This study demonstrates the value of processing post-blast IED components for latent prints using a variety of laboratory techniques, identifies the substrates most conducive for latent print recovery, and determines the effect of different explosive types on the recovery of latent prints.
- Subjects
IMPROVISED explosive devices; AMMONIUM nitrate; ALUMINUM nitrate; TNT (Chemical); LABORATORY techniques
- Publication
Journal of Forensic Identification, 2022, Vol 72, Issue 3, p320
- ISSN
0895-173X
- Publication type
Article