章 2637: Chapter 2631-hidden illness?

"So ..." Ran Tao stood in the lobby on the first floor of Chenyang residence and said,"although there is a surveillance camera, the host that stored the hard disk is not at the security guard, but in the Western-style building?"

"Yes," Wu Xiumin, who was lying on Ran Tao's shoulder, murmured."When the surveillance system was installed, Chenyang residence was still in the planning stage, but the security room was inside the building!"

"After the planning was completed, the guard room was moved to the main entrance, but the main computer was left in the building!"

"Oh ..." Ran Tao pondered for a moment, then said,"in that case, the murderer should have killed the person first, then dealt with the surveillance hard drive?"

"Because if we destroy the hard drive first, we might be discovered by the security guards outside?"