"Brother?" Cheng Che called out tentatively.
Mu Chen opened his eyes and asked, "Cheng Che, do you think it's possible to check all the surveillance cameras on all floors that day?"
Cheng Che shook his head gently. "No. In the damage report that the hospital gave me, the security room suffered the most damage…"
The two of them looked at each other as a question formed in their minds: why was it so coincidental that the security room suffered the most damage from the fire?
The fire started from the storeroom, but why did the security room suffer the most damage?
Cheng Che's voice trembled as he asked, "B-brother, does this mean that someone committed arson?"
Mu Chen looked at Cheng Che silently. Then, he said mechanically, "From the time you went downstairs to the time I went upstairs, they had enough time to switch Song Ning for another person. They didn't even need to rush…"
