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DNA is only mostly founded in science. There's the interpretive element in saying: Oh, this DNA matches the suspect, even though it's mixed with the victim's bl
by chipsa 5y ago
DNA is only mostly founded in science. There's the interpretive element in saying: Oh, this DNA matches the suspect, even though it's mixed with the victim's blood.
Nice big clean sample? It probably actually matches. Small sample? Mixed with other people's DNA? Especially in a place they tend to visit (or live in?)?
- sennight 5y agoAt that point the problem isn't the science behind DNA, it is the fact that your freedom depends on a jury understanding statistics. But at least there exists the opportunity to challenge the evidence on objective grounds, that unfortunately requires an expensive professional expert witness...