Ignorance is Bliss: Forensic Science  

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Jenis: Article from Bulletin/Magazine
Dalam koleksi: The Economist (http://search.proquest.com/) vol. 402 no. 8768 (Jan. 2012), page 78-79.
Topik: Deoxyribonucleic Acid--DNA; Forensic Sciences; Expert Witness Testimony; Bias; Research

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Perpustakaan Pusat (Semanggi) Nomor Panggil: EE29.70 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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As all fans of crime fiction know, DNA is the gold standard of forensic science. Or is it? Itiel Dror, a cognitive psychologist at University College, London, thinks this doctrine of infallibility needs to be questioned. His problem is not with the technology itself, but with the way it is deployed. For he has gathered evidence that DNA examiners' interpretations of their results are, at least in complex cases, open to subjectivity and bias. When America's National Academy of Sciences produced a report on the state of forensic science in 2009, it criticized many of the methods then in use. Citing earlier research by Dr Dror, the report's authors stated, for example, that fingerprint examiners' claims of zero error rates were scientifically implausible. DNA, however, was spared their criticism. Now Dr Dror and Greg Hampikian, a forensic biologist at Boise State University in Idaho, have published a study in Science & Justice that suggests all is not shipshape in the domain of the double helix either.

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