weapons
what is inside of a rife that can determine the bullet came from it.
groves inside the barrel.
what is the deadliest nerve agent?
VX agent
what determines the color of your hair.
melanin
what is a IED
improvised explosive device
what is toxicology?
toxicology is the study of chemicals
what does a hair follicle hold.
DNA
what blood cells carry dna
white blood cell
what is a fingerprint?
a