Study to investigate the trace levels of contamination on surfaces when narcotic contraband is concealed in a vehicle

Rod Wilson; Alan H. Brittain

doi:10.1117/12.265390

28 January 1997 Study to investigate the trace levels of contamination on surfaces when narcotic contraband is concealed in a vehicle

Rod Wilson, Alan H. Brittain

Author Affiliations +

Proceedings Volume 2932, Human Detection and Positive Identification: Methods and Technologies; (1997) https://doi.org/10.1117/12.265390
Event: Enabling Technologies for Law Enforcement and Security, 1996, Boston, MA, United States

Abstract

When a vehicle is used to transport narcotic contraband material trace levels of that material can be found on surfaces of the vehicle, people associated with the vehicle and surface they contact. The detection of these trace levels can help to target vehicles associated with the smuggling of the contraband. A study to determine the typical levels of narcotic material that can be detected from these surfaces has been performed by personnel from Graseby, using a variety of drug materials. The size and packaging of the drug materials has been prepared to try to reflect that typically found in smuggling operations. These tests show that for all hard drugs easily detectable traces of drug material can be found on the vehicle, the proxy and secondary surfaces handled by the proxy. For detection of cannabis, the condition of the original material had a great bearing ont he reliability of detection.

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Rod Wilson and Alan H. Brittain "Study to investigate the trace levels of contamination on surfaces when narcotic contraband is concealed in a vehicle", Proc. SPIE 2932, Human Detection and Positive Identification: Methods and Technologies, (28 January 1997); https://doi.org/10.1117/12.265390

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