Border Security Matters Aug 2014

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help could be on the way for border guards, researchers will report here today. The answer to the problem could be a portable device that identifies specific vapours given off by U.S. paper money. They will present the new research at the 248th National Meeting & Exposition of the American Chemical Society (ACS. In the past fiscal year, law enforcement officials say they uncovered more than $106 million in smuggled cash headed from the U.S. to Mexico. But this was only a small portion of the billions that made it across the border undetected — hidden among belongings, in clothing or elsewhere. The bulk of that currency is laundered drug money. Travellers crossing the U.S./Mexico border are required to report cash or endorsed checks over $10,000. If they don’t declare larger sums, the money that is found can be seized. “We’re developing a device that mimics the function of trained dogs ‘sniffing’ out concealed money, but without the drawbacks, such as expensive training, sophisticated operators, down time and communication limitations,” says Suiqiong Li, Ph.D., a member of the research team. “The system would extract gas samples from the traveller or from bags, vehicles and shipping containers. It would detect the trace currency emission signature even in the presence of car exhaust, perfumes, food and a range of temperatures, atmospheric pressures and relative humidity.” Li says the technique, known as the Bulk Currency Detection System (BCDS), should work effectively within the seconds or few minutes it takes for border inspections. It involves gas chromatography/mass spectrometry (GC/MS), a widely used analytical technique. Experts already use this method for analyzing vapours to detect drugs and explosives, as well as to investigate the causes of fires and identify unknown compounds. But the current way to uncover smuggled money depends on checks by guards or trained dogs, without the benefit of any devices, according to Li. The BCDS is being designed to find the emissions signature of the currency despite the presence of strong background gases and contaminants. It would be an automated, hiddenmoney screening system, using GC/MS plus solid-phase microextraction and a thermal desorption technique. BCDS would automatically extract, preconcentrate and analyze the gases, Li explains. When developing the device, the researchers first had to figure out which gases money emits and how fast that happens. It turned out that the gases are a set of trace chemicals, including aldehydes, furans and organic acids. “We have found that U.S. currency emits a wide range of volatile organic compounds that make up a possible ‘fingerprint’ that we can identify in less than a minute,” explains Joseph Stetter, Ph.D., principal investigator for the study. He and Li are with KWJ Engineering, Inc. This is the first report of the feasibility of sampling emission rates with a practical, money-detecting device, he says. To capture the gases, which are specific to U.S. paper money, guards would pass a probe over clothing or into baggage. If the probe The Homeland Defense and Security Database WorldSecurity-Index.com is the only global homeland security directory published in English, Arabic and Spanish on the web and in CD network format. The Global Security Portal Advertise on WorldSecurity-Index.com from only £515 for 12 months Contact info@worldsecurity-index.com for details or call +44 (0) 208 144 5934.
Hosted by: incorporating Critical Information Infrastructure Protection 4 th -5 th March 2015 The Hague, Netherlands www.cipre-expo.com Convene; Converse; Collaborate SAVE THE DATES The ever changing nature of threats, whether natural through climate change, or man-made through terrorism activities, either physical or cyber attacks, means the need to continually review and update policies, practices and technologies to meet these growing demands. Hosted by the Ministry of Security & Justice and the Municipality of The Hague, Critical Infrastructure Protection and Resilience Europe will bring together leading stakeholders from industry, operators, agencies and governments to debate and collaborate on securing Europe’s critical infrastructure. For further details and to submit your abstract visit www.cipre-expo.com How to Exhibit To discuss exhibiting and sponsorship opportunities and your involvement with Critical Infrastructure Protection & Resilience Europe please contact: Tony Kingham - Exhibit Sales Director T: +44 (0) 208 144 5934 M: +44 (0)7827 297465 E: tony.kingham@worldsecurity-index.com Paul Gloc - Exhibit Sales Manager T: +44 (0) 7786 270820 E: paulg@torchmarketing.co.uk Gain access to leading decision makers from corporate and government establishments tasked with Critical Infrastructure Protection and Resilience. Owned & Organised by: Hosted by: Supporting Organisations: Media Partners:
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Border Security Matters Aug 2014

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