Miscarriage of justice points to fingerprint flaws

New Scientist

• 28 December 2011 by Linda Geddes
• Magazine issue 2844

• FINGERPRINTS were once the cornerstone of forensic identification. Now a report into a miscarriage of justice has renewed pressure on print examiners to improve their methods, while two new studies reveal the extent of their fallibility. The results could change the fingerprint profession worldwide.

The Fingerprint Inquiry was launched by the Scottish government after detective Shirley McKie was acquitted of perjury. Flawed fingerprint analysiswas the only evidence against her. The report, published on 14 December, concludes that human error was to blame and voices serious concerns about how fingerprint analysts report matches. It recommends that they no longer report conclusions with 100 per cent certainty, and develop a process for analysing complex, partial or smudged prints involving at least three independent examiners who fully document their findings..............