The Kendall County Coroner’s Office is classifying the death of 16-year-old Aiyana Williams of Yorkville as undetermined.
The office says no evidence of foul play or trauma was found, but noted limiting factors in the case, including a lack of witnesses and the advanced state of decomposition of the remains.
Williams went missing in mid-June, and her remains were discovered days later in a field in the area of Country Hills Drive and Route 71…