Errors prompt states to watch over crime labs
State legislators, troubled by reports of botched DNA tests and other mistakes by forensic analysts, have begun to establish oversight commissions to improve local crime labs and coroner's offices.
Virginia and Texas, where a lab technician mistakenly implicated the wrong man in a rape case, passed laws last year that set up such commissions. Legislators in New Hampshire, Vermont and Minnesota are considering similar plans this spring.
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