NC State Bureau of Investigation

According to Chad Flowers, an SBI spokesperson, the department won't be investigating the school district unless evidence of criminal wrongdoing is found by the State Auditor's office — which hasn't happened.

Investigators have expanded their search for 19-year-old Kaedian Allen at Winston-Salem's Quarry at Grant Park. On Wednesday, the park was closed to the public as officers conducted a thorough sweep of the area.