A sharply critical independent audit found Friday that Virginia's nationally recognized central crime laboratory had botched DNA tests in a leading capital murder case. The findings prompted Gov. Mark Warner to order a review of the lab's handling of testing in 150 other cases as well.
Among the auditors' eight recommendations, all of which were accepted by Mr. Warner, were that the governor restrict the work of the lab's chief DNA scientist, Jeffrey Ban; review 40 cases that Mr. Ban has handled in recent years, along with a sample totaling 110 additional cases; and develop procedures to insulate the lab from any outside political pressures.
Experts said the findings could lead to a re-examination of scores of past prosecutions, including those involving some of the nearly two dozen inmates on Virginia's death row, and might also throw into turmoil many current prosecutions in which the lab's work helped identify or rule out suspects.
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