CH 3

Question 1

a term referring to the early stages of crime-scene processing, usually conducted by the first officer on the crime scene.

Answer 1

preliminary investigation

Question 2

the act of adversely affecting evidence by allowing it to be tampered with or by not protecting the chain of custody.

Answer 2

contamination of evidence

Question 3

the location where the crime took place

Answer 3

crime scene

Question 4

a criminological theory asserting that when perpetrators come into contact with the scene, they will leave something of themselves and take away something from the scene, for example, hairs and fibers. “every contact leaves a trace”

Answer 4

Locards exchange principle

Question 5

a minute or even a microscopic fragment of matter such as hair or fiber that is not immediately detectable by the naked eye

Answer 5

trace evidence

Question 6

evidence that establishes that a crime has been committed

Answer 6

corpus delicti evidence

Question 7

evidence that links a suspect with a crime

Answer 7

associative evidence

Question 8

a search conducted for officer safety that includes a quick search of the premises for additional suspects/persons or any weapons that could be acquired by such persons.

Answer 8

protective search

Question 9

an emergency radio broadcast, generally made by the first officer to reach a crime scene to other officers in the area, in which descriptions of the suspect and his or her vehicle are communicated.

Answer 9

flash description

Question 10

CYMBL stands for, while describing suspect vehicle

Answer 10

color, year, make and model, body style, license number

Question 11

documents any evidence that has been compromised or for which the chain of custody has not been observed.

Answer 11

contamination log

Question 12

a searching technique; also known as the quadrant method.

Answer 12

zone search method

Question 13

a crime-scene search method whereby an area is sectioned off in square areas. Each square, averaging about 6 square feet, represents a specific search area that is a manageable size for each investigator.

Answer 13

grid search method

Question 14

documentation of all who handle evidence in a criminal case.

Answer 14

chain of custody

Question 15

A public official who makes official determinations of the cause and time of death in wrongful death cases.

Answer 15

medical examiner

Question 16

What are the 7 responsibilities of the first officer on scene

Answer 16

1. actions while enroute (alert for perpetrators leaving scene) 2. initial actions upon arrival (verify crime committed) 3. assistance to victims 4. arrest of perpetrator 5. follow up communications 6. identify witnesses and vehicles 7. brief investigators and superiors

Question 17

evidence discovered at crime scene serve these 4 objectives

Answer 17

1. to determine the facts of the crime 2. to identify the lawbreaker 3. to aid in the arrest of the perpetrator 4. to aid in the criminal prosecution of the the perpetrator.

Question 18

the patrol officers initially responding to the scene must understand that they have a heavy responsibility to ensure that the appropriate actions are taken to:

Answer 18

protect life and property, preserve evidence, and make it possible for subsequent investigative work to be successful