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?

Material: Luminol

Equipment: Black light

Explanation:

Luminol reactions with the iron in hemoglobin making it glow.

since learning about his learning patterns, logan has become very aware of the thoughts and feelings he experiences as he listens to the “internal chatter” of his patterns.