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8 October 2018 Chemical fingerprint identification system: beyond concept and towards applications for field expeditionary military forensic analysis
Jason A. Guicheteau, Ashish Tripathi, McKay Allred, Tattianna Olvera, Erik D. Emmons, Phillip G. Wilcox, Kevin Hung, Anthony Koertner, Augustus W. Fountain III
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Proceedings Volume 10802, Counterterrorism, Crime Fighting, Forensics, and Surveillance Technologies II; 1080208 (2018) https://doi.org/10.1117/12.2326405
Event: SPIE Security + Defence, 2018, Berlin, Germany
Abstract
The U.S. Army Research Development Engineering Command Chemical Biological Center (RDECOM C&B) continues to develop technologies for the forensic detection of energetic materials and illicit drugs of abuse due to their recent confluence in counter terrorism operations. One specific technology developed here is the use of Raman Chemical imaging to detect these substances located concomitant with residual latent fingerprints. This study demonstrates the ability to identify threat materials non-destructively so that the fingerprint remains intact for further biometric analysis. Utilizing Raman spectroscopy, the Generation I Chemical Fingerprint Identification System (CFIS) semi-autonomously locates and identifies particles of interest found on the friction ridge of a given recovered fingerprint with minimal input from the operator. This work presents results from a collaborative effort between the U.S. Defense Forensic Science Center (DFSC) and RDECOM C&B in which two prototype CFIS systems were assessed with a variety of samples and examines additional practical considerations leading toward the development of the next generation of expeditionary systems for military forensic analysis.
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Jason A. Guicheteau, Ashish Tripathi, McKay Allred, Tattianna Olvera, Erik D. Emmons, Phillip G. Wilcox, Kevin Hung, Anthony Koertner, and Augustus W. Fountain III "Chemical fingerprint identification system: beyond concept and towards applications for field expeditionary military forensic analysis", Proc. SPIE 10802, Counterterrorism, Crime Fighting, Forensics, and Surveillance Technologies II, 1080208 (8 October 2018); https://doi.org/10.1117/12.2326405
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KEYWORDS
Particles
Forensic science
Chemical analysis
Raman spectroscopy
System identification
Fingerprint recognition
Imaging systems
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