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The Entropy of a DNA profile

I’m often asked how much entropy there is in the DNA profiles used in forensic investigations. Specifically, is it more than 33 bits, i.e., can it uniquely identify individuals? The short answer is:...

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Everything Has a Fingerprint — Don’t Forget Scanners and Printers

Previous articles in this series looked at fingerprinting of blank paper, digital cameras and RFID chips. This article will discuss scanners and printers, rounding out the topic of physical-device...

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