(WXYZ) - A man accused of infecting dozens of people with Hepatitis C has admitted to "killing a lot of people."
David Kwiatowski is accused of stealing painkiller syringes and replacing them with saline tainted with his blood.
He has agreed to plead guilty to 14 federal drug theft and tampering charges in exchange for a lighter sentence of up to 40 years in prison.
Kwiatowski worked at 18 hospitals across seven states and is linked to four hospitals in metro Detroit.
A hearing on the plea agreement is set for Wednesday.
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