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Physical E vidence. Review Units 2 and 3. Physical Evidence Review. What does the 1 st officer at the scene need to do after obtaining medical assistance?. Secure the Scene. Physical Evidence Review. What is the definition of a crime scene?.

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Physical e vidence

Physical Evidence

Review Units 2 and 3


What does the 1 st officer at the scene need to do after obtaining medical assistance

Physical Evidence Review

What does the 1st officer at the scene need to do after obtaining medical assistance?

Secure the Scene


What is the definition of a crime scene

Physical Evidence Review

What is the definition of a crime scene?

The location where a crime has / might have occurred


What are the methods of recording a crime scene

Physical Evidence Review

What are the methods of recording a crime scene?

Note taking

Photographs / Video

Sketches


What must be included in a rough sketch

Physical Evidence Review

What must be included in a rough sketch

Date, location, and time of incident

Location of all recovered evidence

Location of walls, doors, and windows

Indication of compass direction


What can cad computer programs be used for

Physical Evidence Review

What can CAD computer programs be used for?

Producing a finished sketch


What must be included in the notes taken at the crime scene

Physical Evidence Review

What must be included in the notes taken at the crime scene?

The individual who packaged and marked items of evidence

Location of physical evidence recovered

Disposition of items after collection

Date of the investigation


What are the crime scene search patterns

Physical Evidence Review

What are the crime scene search patterns?

Grid, Line, Spiral, Zone


What is the chain of custody

Physical Evidence Review

What is the chain of custody?

The list of every person who has processed evidence


Who is responsible for the chain of custody

Physical Evidence Review

Who is responsible for the chain of custody?

Crime scene processor

Evidence clerk

All forensic technicians


What results if the chain of custody is not maintained

Physical Evidence Review

What results if the chain of custody is not maintained?

Evidence will be inadmissible in court


What is the main purpose of a crime lab

Physical Evidence Review

What is the main purpose of a crime lab?

To identify and compare evidence


What is the definition of physical evidence

Physical Evidence Review

What is the definition of physical evidence?

Evidence that can be collected

Evidence that can establish a crime has been committed

Evidence that links a crime to a victim and perpetrator


How many layers of latex gloves should be worn when collecting bodily fluids

Physical Evidence Review

How many layers of latex gloves should be worn when collecting bodily fluids?

Two


What type of containers are used when packaging evidence

Physical Evidence Review

What type of containers are used when packaging evidence?

Paper bags

Unbreakable containers

Forceps

Manila envelopes


What type of evidence is usually found at an arson case

Physical Evidence Review

What type of evidence is usually found at an arson case?

Petroleum Products


What type of evidence is usually found at a car accident

Physical Evidence Review

What type of evidence is usually found at a car accident?

Paint

(glass)


What type of packaging is used for arson cases

Physical Evidence Review

What type of packaging is used for arson cases?

Air tight containers


What is a buccal swab

Physical Evidence Review

What is a buccal swab?

Swab of the inside of a cheek to sample DNA


What is the purpose of a standard reference sample control

Physical Evidence Review

What is the purpose of a standard reference sample (control)?

To compare with evidence at the crime scene


What is a control substrate area

Physical Evidence Review

What is a control substrate area?

The uncontaminated surface material close to where physical evidence is deposited


What is the purpose of collecting standard reference samples

Physical Evidence Review

What is the purpose of collecting standard reference samples?

It allows comparison with the evidence


What does crime scene reconstruction attempt to do

Physical Evidence Review

What does crime scene reconstruction attempt to do?

Piece together stories by witnesses and suspects

Includes input from the medical examiner and the results from the laboratory


What is needed to get a search warrant from a judge

Physical Evidence Review

What is needed to get a search warrant from a judge?

The name, location, and things to be seized and probable cause


What are the exceptions to the need for a search warrant

Physical Evidence Review

What are the exceptions to the need for a search warrant?

Emergency

Evidence may be lost

Permission given

Imminent arrest


What privilege of the constitution includes search warrants

Physical Evidence Review

What privilege of the Constitution includes search warrants?

Fourth Amendment


What were the two cases that tested the fourth amendment regarding search warrants

Physical Evidence Review

What were the two cases that tested the fourth amendment regarding search warrants?

Mincey v Arizona – homicide

Michigan v Tyler - arson


What is the most common type of evidence found at a crime scene

Physical Evidence Review

What is the most common type of evidence found at a crime scene?

Class Evidence


What is the most important aspect of photographs at a crime scene

Physical Evidence Review

What is the most important aspect of photographs at a crime scene?

The evidence has been unaltered.


Who is the final evaluator of physical evidence

Physical Evidence Review

Who is the final evaluator of physical evidence?

Jury


Physical e vidence

Physical Evidence Review

What is individual evidence?

List TWO examples

Evidence that can be pinpointed to a specific source

Ex: Fingerprints, DNA, bullet markings


Physical e vidence

Physical Evidence Review

This type of physical evidence can be either natural or synthetic

Fibers


Physical e vidence

Physical Evidence Review

These are prints that are accidental or chance prints that are NOT visible to the eye

Latent


Physical e vidence

Physical Evidence Review

Gas, grease, and oil are often used in _____________ cases.


Physical e vidence

Physical Evidence Review

What is class evidence?

List TWO examples.

Evidence that can only be associated with a group and not a single

Ex: Fibers, Hairs, Blood Type


Physical e vidence

Physical Evidence Review

What can be found embedded in shoes, as well as prove whether a body has been moved, and link a person to a certain location?

Soil and Minerals


Physical e vidence

Physical Evidence Review

Indentations left behind by a particular object such as tool marks, bite marks, and shoe prints is called…

Impressions


Physical e vidence

Physical Evidence Review

Powder from a firearm that can be found on the shooter’s hand.

Gunshot Residues


Physical e vidence

Physical Evidence Review

A shoe print made by a brand new pair of sneakers is an example of …

Class evidence


Physical e vidence

Physical Evidence Review

Crime scene reconstruction requires the efforts of these THREE people

Police

Medical Examiners

Criminalist


Physical e vidence

Physical Evidence Review

True/False

Street drugs are the only illegal drugs that a person can have

False –

Prescription Drugs that don’t have your name on them are illegal