Articles sur Forensic science

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Does your body give away if you’re lying or not? AP Photo/Edward Kitch

Is a polygraph a reliable lie detector?

It would be great to know for sure when someone is lying and when someone is telling the truth. But no technology that purports to do so is foolproof.
False beliefs about language and speech underlie legal precedents that allow jurors to be “assisted” by unreliable transcripts of forensic audio. The Everett Collection/Shutterstock

Legal precedent based on false beliefs proves hard to overturn

Not all false beliefs arise from malicious misinformation. Some legal precedents rest on the status of everyday 'common knowledge', since shown to be false, but embedded in our law nonetheless.
Forensic anthropologist Prof. Kathy Gruspier (left) is seen with police officers at a Toronto property where alleged serial killer Bruce McArthur worked. THE CANADIAN PRESS/Chris Young

How police are recovering the victims of the Toronto serial killer

Police in Toronto say they've found the remains of at least six people in the midst of their investigation into alleged serial killer Bruce McArthur. Here's what goes on in such investigations.
There’s a margin of error in relying on fingerprinting to catch criminals. from www.shutterstock.com

Fingerprinting to solve crimes: not as robust as you think

Fingerprinting is a valuable police tool for tracking down suspects, but it's not perfect. However, we can reduce the risk of any mistaken identity if we work within the limits of fingerprinting.

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