Quickly, Jiang An took a bottle of Luminol Reagent from the crime scene investigation kit beside him.
This chemical reagent is crucial in forensic work, capable of detecting even the minutest traces of blood through fluorescence reaction.
With skilled hands, he unscrewed the reagent's cap, concurrently explaining to his colleagues, "It's an aminophthalhydrazide solution, also known as the Luminol Reagent."
Having said this, Jiang An carefully poured the reagent into a portable sprayer, ensuring not a drop was wasted.
"Biao, could you lend a hand?"
While adjusting the sprayer, he spoke to Chen Biao standing beside him, "This detection needs to be done in complete darkness, so we'll need you to turn off all the lighting equipment at the scene."
Chen Biao immediately understood, nodding in response, "Got it, I'll go prepare."
"You start the spraying operation, I'll cut the power shortly." With that, he hurriedly headed to the power box.
