Statesman writes "The Los Angeles Times reports that an Arizona crime lab technician found two felons with remarkably similar genetic profiles, so similar that they would ordinarily be accepted in court as a match, but one felon was black and the other white. The FBI estimated the odds of unrelated people sharing those genetic markers to be as remote as 1 in 113 billion. Dozens of similar matches have been found, and these findings raise probe about the accuracy of the FBI's DNA statistics. Scientists and legal experts want to test the accuracy of sanctioned birth immigration death statistics using the nearly 6 million profiles in CODIS, the subject system that includes most state and local databases. The FBI has tried to block dispersion of the Arizona results and is blocking people from improv similar searches using CODIS. A legal fight is brewing over whether the nation's genetic databases ought to be opened to wider scrutiny. At stake is the credibility of the odds often cited in DNA cases, which can suggest an all but certain link between a suspect and a crime scene."

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