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Review Units 2 and 3 Physical Evidence
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Review Units 2 and 3 Physical Evidence. What does the 1 st officer at the scene need to do after obtaining medical assistance? Secure the Scene Physical.

Dec 14, 2015

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Raegan Coxon
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Page 1: Review Units 2 and 3 Physical Evidence. What does the 1 st officer at the scene need to do after obtaining medical assistance? Secure the Scene Physical.

Review Units 2 and 3

Physical Evidence

Page 2: Review Units 2 and 3 Physical Evidence. What does the 1 st officer at the scene need to do after obtaining medical assistance? Secure the Scene Physical.

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

Secure the Scene

Physical Evidence Review

Page 3: Review Units 2 and 3 Physical Evidence. What does the 1 st officer at the scene need to do after obtaining medical assistance? Secure the Scene Physical.

What is the definition of a crime scene?

The location where a crime has / might have occurred

Physical Evidence Review

Page 4: Review Units 2 and 3 Physical Evidence. What does the 1 st officer at the scene need to do after obtaining medical assistance? Secure the Scene Physical.

What are the methods of recording a crime scene?

Note takingPhotographs / VideoSketches

Physical Evidence Review

Page 5: Review Units 2 and 3 Physical Evidence. What does the 1 st officer at the scene need to do after obtaining medical assistance? Secure the Scene Physical.

What must be included in a rough sketch

Date, location, and time of incidentLocation of all recovered evidenceLocation of walls, doors, and windowsIndication of compass direction

Physical Evidence Review

Page 6: Review Units 2 and 3 Physical Evidence. What does the 1 st officer at the scene need to do after obtaining medical assistance? Secure the Scene Physical.

What can CAD computer programs be used for?

Producing a finished sketch

Physical Evidence Review

Page 7: Review Units 2 and 3 Physical Evidence. What does the 1 st officer at the scene need to do after obtaining medical assistance? Secure the Scene Physical.

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

The individual who packaged and marked items of evidenceLocation of physical evidence recoveredDisposition of items after collectionDate of the investigation

Physical Evidence Review

Page 8: Review Units 2 and 3 Physical Evidence. What does the 1 st officer at the scene need to do after obtaining medical assistance? Secure the Scene Physical.

What are the crime scene search patterns?

Grid, Line, Spiral, Zone

Physical Evidence Review

Page 9: Review Units 2 and 3 Physical Evidence. What does the 1 st officer at the scene need to do after obtaining medical assistance? Secure the Scene Physical.

What is the chain of custody?

The list of every person who has processed evidence

Physical Evidence Review

Page 10: Review Units 2 and 3 Physical Evidence. What does the 1 st officer at the scene need to do after obtaining medical assistance? Secure the Scene Physical.

Who is responsible for the chain of custody?

Crime scene processorEvidence clerkAll forensic technicians

Physical Evidence Review

Page 11: Review Units 2 and 3 Physical Evidence. What does the 1 st officer at the scene need to do after obtaining medical assistance? Secure the Scene Physical.

What results if the chain of custody is not maintained?

Evidence will be inadmissible in court

Physical Evidence Review

Page 12: Review Units 2 and 3 Physical Evidence. What does the 1 st officer at the scene need to do after obtaining medical assistance? Secure the Scene Physical.

What is the main purpose of a crime lab?

To identify and compare evidence

Physical Evidence Review

Page 13: Review Units 2 and 3 Physical Evidence. What does the 1 st officer at the scene need to do after obtaining medical assistance? Secure the Scene Physical.

What is the definition of physical evidence?

Evidence that can be collectedEvidence that can establish a crime has been committedEvidence that links a crime to a victim and perpetrator

Physical Evidence Review

Page 14: Review Units 2 and 3 Physical Evidence. What does the 1 st officer at the scene need to do after obtaining medical assistance? Secure the Scene Physical.

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

Two

Physical Evidence Review

Page 15: Review Units 2 and 3 Physical Evidence. What does the 1 st officer at the scene need to do after obtaining medical assistance? Secure the Scene Physical.

What type of containers are used when packaging evidence?

Paper bagsUnbreakable containersForcepsManila envelopes

Physical Evidence Review

Page 16: Review Units 2 and 3 Physical Evidence. What does the 1 st officer at the scene need to do after obtaining medical assistance? Secure the Scene Physical.

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

Petroleum Products

Physical Evidence Review

Page 17: Review Units 2 and 3 Physical Evidence. What does the 1 st officer at the scene need to do after obtaining medical assistance? Secure the Scene Physical.

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

Paint(glass)

Physical Evidence Review

Page 18: Review Units 2 and 3 Physical Evidence. What does the 1 st officer at the scene need to do after obtaining medical assistance? Secure the Scene Physical.

What type of packaging is used for arson cases?

Air tight containers

Physical Evidence Review

Page 19: Review Units 2 and 3 Physical Evidence. What does the 1 st officer at the scene need to do after obtaining medical assistance? Secure the Scene Physical.

What is a buccal swab?

Swab of the inside of a cheek to sample DNA

Physical Evidence Review

Page 20: Review Units 2 and 3 Physical Evidence. What does the 1 st officer at the scene need to do after obtaining medical assistance? Secure the Scene Physical.

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

To compare with evidence at the crime scene

Physical Evidence Review

Page 21: Review Units 2 and 3 Physical Evidence. What does the 1 st officer at the scene need to do after obtaining medical assistance? Secure the Scene Physical.

What is a control substrate area?

The uncontaminated surface material close to where physical evidence is deposited

Physical Evidence Review

Page 22: Review Units 2 and 3 Physical Evidence. What does the 1 st officer at the scene need to do after obtaining medical assistance? Secure the Scene Physical.

What is the purpose of collecting standard reference samples?

It allows comparison with the evidence

Physical Evidence Review

Page 23: Review Units 2 and 3 Physical Evidence. What does the 1 st officer at the scene need to do after obtaining medical assistance? Secure the Scene Physical.

What does crime scene reconstruction attempt to do?

Piece together stories by witnesses and suspectsIncludes input from the medical examiner and the results from the laboratory

Physical Evidence Review

Page 24: Review Units 2 and 3 Physical Evidence. What does the 1 st officer at the scene need to do after obtaining medical assistance? Secure the Scene Physical.

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

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

Physical Evidence Review

Page 25: Review Units 2 and 3 Physical Evidence. What does the 1 st officer at the scene need to do after obtaining medical assistance? Secure the Scene Physical.

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

EmergencyEvidence may be lostPermission givenImminent arrest

Physical Evidence Review

Page 26: Review Units 2 and 3 Physical Evidence. What does the 1 st officer at the scene need to do after obtaining medical assistance? Secure the Scene Physical.

What privilege of the Constitution includes search warrants?

Fourth Amendment

Physical Evidence Review

Page 27: Review Units 2 and 3 Physical Evidence. What does the 1 st officer at the scene need to do after obtaining medical assistance? Secure the Scene Physical.

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

Mincey v Arizona – homicideMichigan v Tyler - arson

Physical Evidence Review

Page 28: Review Units 2 and 3 Physical Evidence. What does the 1 st officer at the scene need to do after obtaining medical assistance? Secure the Scene Physical.

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

Class Evidence

Physical Evidence Review

Page 29: Review Units 2 and 3 Physical Evidence. What does the 1 st officer at the scene need to do after obtaining medical assistance? Secure the Scene Physical.

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

The evidence has been unaltered.

Physical Evidence Review

Page 30: Review Units 2 and 3 Physical Evidence. What does the 1 st officer at the scene need to do after obtaining medical assistance? Secure the Scene Physical.

Who is the final evaluator of physical evidence?

Jury

Physical Evidence Review

Page 31: Review Units 2 and 3 Physical Evidence. What does the 1 st officer at the scene need to do after obtaining medical assistance? Secure the Scene Physical.

What is individual evidence? List TWO examples

Evidence that can be pinpointed to a specific source

Ex: Fingerprints, DNA, bullet markings

Physical Evidence Review

Page 32: Review Units 2 and 3 Physical Evidence. What does the 1 st officer at the scene need to do after obtaining medical assistance? Secure the Scene Physical.

This type of physical evidence can be either natural or synthetic

Fibers

Physical Evidence Review

Page 33: Review Units 2 and 3 Physical Evidence. What does the 1 st officer at the scene need to do after obtaining medical assistance? Secure the Scene Physical.

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

Latent

Physical Evidence Review

Page 34: Review Units 2 and 3 Physical Evidence. What does the 1 st officer at the scene need to do after obtaining medical assistance? Secure the Scene Physical.

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

Physical Evidence Review

Page 35: Review Units 2 and 3 Physical Evidence. What does the 1 st officer at the scene need to do after obtaining medical assistance? Secure the Scene Physical.

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 Evidence Review

Page 36: Review Units 2 and 3 Physical Evidence. What does the 1 st officer at the scene need to do after obtaining medical assistance? Secure the Scene Physical.

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 Evidence Review

Page 37: Review Units 2 and 3 Physical Evidence. What does the 1 st officer at the scene need to do after obtaining medical assistance? Secure the Scene Physical.

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

Impressions

Physical Evidence Review

Page 38: Review Units 2 and 3 Physical Evidence. What does the 1 st officer at the scene need to do after obtaining medical assistance? Secure the Scene Physical.

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

Gunshot Residues

Physical Evidence Review

Page 39: Review Units 2 and 3 Physical Evidence. What does the 1 st officer at the scene need to do after obtaining medical assistance? Secure the Scene Physical.

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

Class evidence

Physical Evidence Review

Page 40: Review Units 2 and 3 Physical Evidence. What does the 1 st officer at the scene need to do after obtaining medical assistance? Secure the Scene Physical.

Crime scene reconstruction requires the efforts of these THREE peoplePolice

Medical Examiners

Criminalist

Physical Evidence Review

Page 41: Review Units 2 and 3 Physical Evidence. What does the 1 st officer at the scene need to do after obtaining medical assistance? Secure the Scene Physical.

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

True/False

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

Physical Evidence Review