Chapter 517 The mother and son are dead!

"You mean, they may have taken precautions a long time ago, fearing that someone would hack into their internal system and find some information from that year. Otherwise, what was the purpose of the fire back then? Wasn't it to destroy some paper evidence?" Si Jinghuai reminded her not to forget what happened back then. "It was precisely because they didn't want to keep any evidence that they destroyed the mental hospital. So they definitely wouldn't leave any traces of that year in the company's own system. It must be paper documents, and they are hidden very well. So now we have to think of other ways."