When Bad DNA Tests Lead to False Convictions
"If you’ve ever watched a prime-time crime drama like CSI, you
know that DNA evidence is often the linchpin that makes a case. Match a
suspect’s DNA to DNA found at the scene of a crime and it’s certain
they’re the culprit. The thing is, it’s not always that simple. Most
people think of DNA testing as a monolithic, infallible technique. But
there are many different kinds of tests—and many different ways of
interpreting them. Sometimes, somewhere between the process of
collecting evidence at the scene and processing it in the lab, something
goes awry."
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