```
This sentence, like a shot of adrenaline, drew everyone in instantly.
Director Zhou, do we need to scrape off the wall paint?"
"Boss, let me do it!"
"Is it this spot, Zhou Xiaozhou?"
The barrage of questions overwhelmed Zhou Ning, who waved his hand to scatter the crowd. He stared intently at the spot on the wall and reached out to Mr. Zhao.
"Luminol reagent, spray this area."
Without waiting for Zhou Ning to act, Mr. Zhao had already grabbed the reagent and rushed forward, beginning to spray the entire wall, especially the spot Zhou Ning had indicated.
Actually, from the wall, one could only see a faint series of slightly darker shadows. To say they were bloodstains, Fang Mu was not entirely certain, but based on experience, Zhou Ning certainly had the authority to speak. Fang Mu, curbing his curiosity, watched quietly.
As the Luminol was sprayed and the wall paint thoroughly wetted, four spindle-shaped fluorescent traces soon appeared.
