Hair follicles to foil felons
Predicted average hydrogen (top) and oxygen (bottom) isotope levels in human hair across the continental United States
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Article Summary
February 27, 2008 DNA contained in hair is currently used in crime fighting to determine the identity of those who commit illicit acts. Thanks to new research, hair may now also help police track past movements of criminal suspects or unidentified murder victims by revealing the general location where a person drank water.
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