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A comment on Billions in Dirty Money Flies Under the Radar at Busiest Airports. Parent comment

Re:Billions in Dirty Money Flies Under the Radar at Busiest ... by throwup238 on Saturday May 11, 2024 @11:14PM (#40332063)
US currency is made with a mix of 75% cotton and 25% linen fibers, rather than wood pulp like paper. They're less dense so they probably don't look the same on an xray.
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Re:Billions in Dirty Money Flies Under the Radar at Busiest ... by SoftTalker on Saturday May 11, 2024 @11:44PM (#40332149)
But they have anti-counterfeiting metallic strips and ink, you'd think that would jump out on an x-ray image.
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Re:Billions in Dirty Money Flies Under the Radar at Busiest ... by throwup238 on Sunday May 12, 2024 @01:54AM (#40332496)
XRay depends on density and the security features are way too thin to matter
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