FILE - This undated file photo provided by the U.S. Attorney's Office in New Hampshire shows David Kwiatkowski, a former lab technician at Exeter, N.H., Hospital. Kwiatkowski, accused of infecting

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FILE - This undated file photo provided by the U.S. Attorney's Office in New Hampshire shows David Kwiatkowski, a former lab technician at Exeter, N.H., Hospital. Kwiatkowski, accused of infecting dozens of patients with hepatitis C through tainted needles, told investigators he had been stealing drugs for more than a decade and was "killing a lot of people," according to a plea agreement filed Monday, Aug. 12, 2013, that would send him to prison for 30 to 40 years. (AP Photo/U.S. Attorney's Office, File) less 

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Associated Press
Wed, Aug 14, 2013 10:12 PM EDT