Forensics midterm study guide

synthetic fiber used in pilar fleece is polyester

father of forensic ballistics developed comparison microscope to compare bullets

what is chemesrty in relation to forensics

jute comes from the stem

All CSI team members must wear protective suits to prevent contamination of the crime scene

type of scales found in the fur hairs of mink, seals, and cats is called spinous

he was the father of criminal profiling which lead to modern day crime scene

infrared is a type of spectroscopy that allows scientists to visualize chemical structure of fibers

the smallest indivisible unit of a textile; made up of many filaments twisted or bound together is called a fiber

the crime scene investigation team includes

because fibers are mass produced, they are considered class evidence

destructive test that allows scientists to compare absorption in fabrics is staining

network of blood vessels that supply nutrients to your hair and help it grow is called papilla

after biological evidence is dried out, it is packaged in ___ the placed in a paper or plastic container

cotton comes from the seed of the cotton plant

who wrote the hserlock holmes series?

the spongey core of hair is called the medulla

Coir comes from coconut

metal or plastic forceps may be used to pick up ___

Who was the father of the fingerprint (discovered it) and used fingerprints to identify workers in india

types of scales commonly found in human hair is called imbricate

what is the importance of evidence pt1

All evidence must be packaged, sealed, and labeled using specific techniques and procedures

bloodstained materials must be packaged in wrapping paper, manila folder, or paper bags to prevent the growth of ______

pigment granulles which give color to brown and black hair is called eumelanin

who developed the figerprinting process and used fingerprints to eliminate innocent burglory suspects

Liquids and arson remains are stored in what type of containers?

he created a method to identify dried blood stains. determined blood type from dried blood

plant used to make linen is called flax

__evidence is stored in breathable containers so it can dry out

fibers produced from goats hair is called cashmere

father of science of gaurded document examination

class evidence become individualized

the clear, tough covering of hair composed of overlapping scales is called the cuticle

who founded differential psychology which is the differences in people conducted first study on fingerprints

What is physics in relation to forensics?

who was the father of toxoligy and study of blood and seman for DNA

hemp comes from cannabis

are you going to pass?

what is an example of class evidence becoming individualized

What is photography in relation to forensics?

transitional stage where hair growth slows is called catagen

what is used to pick up hairs, glass, fibers, and other kinds of trace eveidence

____ narrows down evidence down to a single person or thing.

who invented the mugshot and developed anthropometry?

the final stage of the hiar cycle inwhich hair falls out is called teloane

protien that makes hair strong and flexible is keratin

charred debris from fire must be stored in __ to prevent volatile petroleum resides from evaporating.

animal fibers often used to make coats and gloves is called fur

diagonal weave patter is called twill

checkerboard weave pattern is called plain

when hair is moved from the source to one item to another item it is called secondary transfer

evidence that can be used, but does not directly prove it. EX: finding a letter to directly imply a fact

an example of the importance of evidence is that blood splatter may show where suspects and victim were in relation

what are other ways evidence can be divided into?

he discoverd every contact leaves a trace

a quick test to classify fabric origins is the desinty test

the tight lenghtwise yarn in a weave pattern is called warp

what are the 7 steps to a crime scene?

the most durable synthetic fiber is nylon

most fiber evidence falls off within twenty-four hours of a crime

a specific product of a substance, formed by chemical process in the body is called metabolite

small but measurable amounts of physical or biological material found at a crime scene is trace evidence

The outer container is sealed and labeled with the signature of the collector written across the tape

What is computer science in relation to forensics?

synthetic fibers, weapons, bullets, shell casings, paint chips, documents, imprints, and prints are all examples of:

animal fibers are made from the macromolecule of protein

blood types can be ________. Finding at least one type at a blood scene narrows down the suspects to a smaller group.

what are types of circumstantial evidence?

a common mineral fiber is fiberglass

regenerated fibers are made from cellulose esters

he discovered why blood cells sometimes clot when mixed with others blood

term for fibers produced from a raw material such as coal or wood pulp that is spun together in a factory is synthetic

scientists looks at color first to match a fiber to a location

body or body parts, bodily fluids, hair, leaves, or other plant parts, natural fibers, feathers, wood are all examples:

fiber produced from rabbits hair is called angora

What are the two types of evidence that can be classified into?

what are the branches of forensics?

examples of individual evidence

test used to analyse the componetnts of dyes in a fabric is the chromatography test

The more circumstantial evidence there is, the greater weight it carries. (probability and statistics)

first hand observations. EX: eyewitness account, videos, cofessions

the shaft is composed of the cuticle, cortex, and medulla

the result of weaving yarns together is called a textile

____narrows down evidence to a group of persons or things.

what is forensics in relation to forensics

what is the importance of evidence pt2

plant fibers are made from the carbohydrate cellulose

method od analysis that determines the composition of elements in a hair sample is called neutron activation analysis

List of persons who come into a possession of evidence

what is pshycology in reation to forensics?