A man and a woman have been charged after an infant was found wrapped in plastic and buried in a beer box on a property in northeast Illinois, authorities said.

Nicole Pokrzywa, 36 , and William Cosmen, 38 , were booked into the Will County Sheriff’s Office on Saturday afternoon on charges of abuse of a corpse, according to online jail records. Pokrzywa is the baby girl’s mother, police said, though Cosmen’s relationship to the infant was not immediately released.

An investigation into the incident began on Thursday when deputies received information about a possible buried infant on a property on Roberts Road in Wilmington, about 60 miles southwest of Chicago .

Investigators soon learned that Pokrzywa had prematurely given birth the baby girl and that the body of the infant was

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