C543 A Person with Mental Disorder!

The receptionist of the police station returned in a few minutes. However, to Ning Xiaoshu and Xiaoyun, these few minutes were as long as a century.

She handed a USB to Xiaoyun and said, "This is the number we called back then. We didn't call the police because... Forget it, I can't explain it clearly. You will know the specific reason after you listen to it