Scientist Remains Unsatisfied With Re-testing Of Evidence

PHILADELPHIA - The scientist who did the initial DNA tests for the Roger Keith Coleman case said he always expected new tests would back him up - but he's still not satisified.

Edward Blake, who runs Forensic Science Associates in Richmond, Calif., is still raising questions about the investigation. For him, the re-testing of DNA evidence using the latest technology hardly nails shut the 25 year-old murder case. "I am concerned as a scientist," he said, calling the retesting, "a cynical exercise in manipulating a scientific investigation."

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