Physical Evidence

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The Locard's Exchange Principle states that ''with _______ between two items, there will be an ________."

1. Contact 2. exchange

The characteristics of glass that could be used to match glass from a crime scene to a suspect.

1. Thick darkness 2.Chemical composition 3.Refractive index

4 things that can be determined from skeletal remains

1.Age 2.Sex 3.Race 4.Stature

Automated Fingerprint Identification System

A.F.I.S.

The 3 main types of fingerprints

Arches, loops, and whirls

An example of a '' class'' characteristic

Automobile paint

Combined DNA Index System

C.O.D.I.S.

Hairs and fibers an be used in an investigation

Examine to identify their origin, such as human or animal

The type of insects that are helpful in a murder investigation

Flies, beetles, and other insects

A type of scientist studies skeletal remains

Forensic Anthropologist

When an object broken, torn, or cut, two unique edges are formed

Fracture lines

Gunshot Residue

G.S.R.

The types of tissues that might be used for DNA testing

Hair, fingernails, bones, teeth

Integrated Ballistics identification System

I.B.I.S.

Dust could or dirt be used in an investigation

Investigators examine the samples for chemical composition

The value of trace forensic evidence was first evidence was first recognized by Edmund ______ in 1910.

Locard

The time between death and the discovery of the body

PMI

A gun barrel that causes distinctive grooves

Rifling

It present in a hair sample to test for DNA

Roots

3 examples of impression evidence

Shoeprints, bite markers, and tool marked

An examples of impression evidence

Tape, glass

Scientists match bombs and other explosive devices to suspects to suspects

To compare to evidence found in the suspect's possession to confirm a match.

Besides handwriting, an investigator could use to match a ransom note to a suspect

To use analyze the type of paper used, printing method or handwriting style

2 examples of type of clues That investigators get from body fluid samples

Vomit and urine can be to test for alcohol, drugs Cigarette but may contain dried saliva

Information can be learned from a wound

Weapons size, shapes, and length

An example of an '' individual'' characteristic

color


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