Question

You've come to a suspected crime scene, then sprayed the area with a substance and turned off all the lights in an effort to find blood stains invisible to normal eyes. What material, equipment, or technique are you using?

Answer 1

Material: Luminol

Equipment: Black light

Step-by-step explanation:

Luminol reactions with the iron in hemoglobin making it glow.

Answer 2

Answer:Material: luminol

Equipment: black light

Technique: fluorescein method

Step-by-step explanation:

Fluorescein is the name of the method or technique used. It a presumptive blood test for latent bloodstain detection. It has been used in forensic applications to reveal trace amounts of blood. Traces of latent blood are found even though the area has been cleaned.