The people at the Criminal Investigation Bureau didn't come up empty-handed either. At the very least, after analyzing all the video footage from the main control room frame by frame, they discovered that something was off with the footage shortly after midnight.
"Rewind it, quickly rewind it, Janice, here! Did you notice anything strange?" a criminal investigation officer urgently shouted.
Janice stared intently at the screen again and then hesitated:
"This is spliced. This segment of video should have been edited from another time period and spliced here, so just now, the video flickered, and there's an obvious difference in color between the two frames. The previous frame is slightly brighter, and the next frame is a bit darker. Although the difference isn't very obvious, you can see the issue immediately when you compare them."
That criminal investigator clapped his hands suddenly, enlightened by Janice's reminder: "That's right, someone tampered with this video!"
