However, the information Sophia Yates provided indeed completely overturned Noah Bates's understanding.
Five years ago, every lead related to that incident had been meticulously recorded in the archives, including both public and private information. Noah Bates read through them and found some discrepancies with what he had discovered five years earlier.
The first point of doubt: The escalator in the mall was being cleaned at the time, and everyone knew that it was not to be used during maintenance. Why then, were Violet Don and Amy Andrews found at the escalator entrance?
The second point of doubt: Who removed the "Cleaning in Progress, Do Not Approach" sign? Why wasn't it in place at that time?