DWI Blood Samples Mixed Up in Nassau County, Again | NBC New York

DWI Blood Samples Mixed Up in Nassau County, Again

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    NEWSLETTERS

    Nearly three years after the Nassau County police crime lab was shut down because of testing errors there, prosecutors this week alerted several defense lawyers about a new mistake -- this time when a technician accidentally switched two DWI blood samples, NBC 4 New York has learned. Greg Cergol reports.