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Public Understandings of the Forensic Use of DNA

The forensic use of DNA involves the public in a number of roles. The rapid adoption of DNA identification as a part of the legal system and continuing developments have afforded little opportunity to thoroughly interrogate public understandings of issues. This article reports on a survey that explores public understanding of the forensic use of DNA: sources of knowledge, understandings of processes, and attitudes toward DNA use. Overall, knowledge about DNA use was limited, particularly around means of taking samples and storage, and two thirds stated that they did not have enough information about DNA use. While the majority agreed that such use of DNA is “a great step forward,” they “would be happy to give a DNA sample if requested,” and considered DNA evidence to be important, concern was indicated about some areas, such as possible mistakes. This was particularly the case for indigenous peoples.