The introduction to this Atlantic article is disturbingly shallow, ignoring the fact that the long-held belief that every person has unique fingerprints may not be the case, and more to the point, that the number of points required to make a match has been increased numerous times.
Fingerprints are the oldest and most widely used biometric marker. Artifacts unearthed from ancient Babylon, China, and Persia show that fingerprints were often used on clay tablets and seals for business transactions and official documents. The loops, whorls, and arches that emerge from the “friction ridges” that form on a fetus’s developing fingers become unique to each person, and it’s no surprise that fingerprint identification has also been the gold standard in law enforcement and forensics since about the early 1900s. More recently, fingerprint verification technology has become almost ubiquitous in our daily lives as an access key for everything from smartphones and computers to bank accounts, offices, and even health records.
So it’s unfair to expect much depth from someone who has no reason for knowing that he’s spewing “common wisdom” that’s kinda malarkey? Fair enough, although perpetuating myths isn’t really the sort of thing that someone should do if the point of their article is to raise a new problem in forensic science. Continue reading

