Publications made by John Glaister and later, John Hicks, confirmed the accuracy and validity of hair science. DNA testing and microscopic hair comparison have helped to convict felons who would have otherwise gone free, and have also overturned wrongful convictions, such as the case of James Driskell, who sat in prison for 12 years until a DNA test of a hair proved his innocence. Careful examination of hair fibers conducted by a number of qualified professionals provides sufficient validity to allow the use of hair fiber analysis as evidence in courts.
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