Field and laboratory comparison of the sensitivity and reliability of cocaine detection on currency using chemical sensors, humans, K-9s, and SPME/GC/MS/MS analysis

Kenneth G. Furton; Ya-Li Hsu; Tien-Ying Luo; Arnold Norelus; Stefan Rose

doi:10.1117/12.334543

4 February 1999 Field and laboratory comparison of the sensitivity and reliability of cocaine detection on currency using chemical sensors, humans, K-9s, and SPME/GC/MS/MS analysis

Kenneth G. Furton, Ya-Li Hsu, Tien-Ying Luo, Arnold Norelus, Stefan Rose

Author Affiliations +

Proceedings Volume 3576, Investigation and Forensic Science Technologies; (1999) https://doi.org/10.1117/12.334543
Event: Enabling Technologies for Law Enforcement and Security, 1998, Boston, MA, United States

Abstract

Reports that money in general circulation is contaminated with cocaine have resulted in contaminated money theories purporting that any person carrying currency could potentially initiate a drug dog alert. Field tests on dozens of different drug detector dogs with widely varying breeds, ages and training regimes show a consistent threshold level of 1 - 10 (mu) g of methyl benzoate spiked along with cocaine on U.S. currency or 0.1 - 1 ng/sec methyl benzoate diffusion required to initiate an alert. No other substance studied to data has initiated consistent responses by the drug dogs studied.

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Kenneth G. Furton, Ya-Li Hsu, Tien-Ying Luo, Arnold Norelus, and Stefan Rose "Field and laboratory comparison of the sensitivity and reliability of cocaine detection on currency using chemical sensors, humans, K-9s, and SPME/GC/MS/MS analysis", Proc. SPIE 3576, Investigation and Forensic Science Technologies, (4 February 1999); https://doi.org/10.1117/12.334543

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