Firearms
soot and particles of un-burned gunpowder deposited on a person who discharges a firearm; may also be found on close-range victims and adjacent surfaces
Gun Shot Residue
a case that holds a bullet, primer powder, and gunpowder
Cartridge
any signature, hand writing, typewriting, or other written mark whose source or authenticity is in dispute or uncertain
questioned document
a substance affecting the nervous system by increasing alertness, attention, and energy, as well as elevating blood pressure, heart rate, and respiration
stimulant
an impression left on any surface that consists of patterns made by the ridges on a finger
fingerprint
the spiral pattern on a fired projectile made by the lands and grooves in the barrel of a firearm
Rifling
the inside diameter of a firearm
Caliber
typically, the forging of currency; also the forging of other government-issued documents and production of fake name-brand products for profit
counterfeiting
an addictive, sleep-inducing drug, often derived from opium, that acts a central nervous system depressant and suppresses pain
narcotic
a fingerprint pattern in which the ridge pattern originates from one side of the print and continues to the other side
arch
the depressions found on the inside of a firearms barrel that are created when the firearm is manufactured
Grooves
the projectile that is fired when a firearm is discharged
Bullet
the making, altering, or falsifying of personal documents or other objects with the intention of deception
forgery
a drug that changes a person's perceptions and thinking during intoxication
hallucinogen
the center of a loop fingerprint pattern
core
the ridges found on the inside of a firearms barrel that are created when the firearm is manufactured
Lands
the study of a projectile in flight; includes the launch and behavior of the projectile
Ballistics
a substance naturally produced by a living thing that can cause illness or death in humans
toxin
a substance that decreases or inhibits the nervous system, reducing alertness
depressant
a triangular ridge pattern
delta
the flight path of a projectile
trajectory
the study of drugs, poisons, toxins, and other substances that harm a person when used for medical, recreational, or criminal purposes
toxicology
a drug or other chemical compound whose manufacture, distribution, possession, and use are regulated by the legal system
controlled substance
a concealed fingerprint made visible through the use of powders or other forensic techniques
latent fingerprint