Forensics

Question 1

List the 7 S’s of crime scene investigation

Answer 1

SECURE the scene
SEPARATE witness
SCAN the scene
SEE the crime scene examiners receive overall close photo w/out ruler
SKETCH the scene
SEARCH for evidence
SECURE the evidence

Question 2

Grid method

Answer 2

2 investigators
Double line search
Start at the adjacent corners
Time consuming

Question 3

Linear/strip method

Answer 3

1-2 people, best in large, outdoor scene

Question 4

Quadrant/Zone

Answer 4

Team investigation, large zone, best for houses/building, assigned small zones

Question 5

Spiral method

Answer 5

1 investigator
Inward or outward
Best in places with no physical barrier, may miss evidence

Question 6

Identify the methods by which a crime scene is documented
4 methods

Answer 6

Grid
Linear
Quadrant/Zone
Spiral search pattern

Question 7

Explain the main purpose of crime reconstruction

Answer 7

Crime scene reconstruction is to determine if the suspect is lying or not

Question 8

Describe how evidence from a crime scene is analyzed

Answer 8

A forensic lab processes all of the evidence the crime scene investigation collected to determine the facts of the case

Question 9

List the steps involved in crime scene reconstruction
5

Answer 9

Data collection
Hypothesis
Examination
Determination
Theory formulation
(Scientific method)

Question 10

List two examples of a stage crime scene

Answer 10

Staging a murder - to cover a suicide
Staging a burglary - to collect insurance money

Question 11

Identify the type of professionals who are present at a crime scene
6

Answer 11

Police- first to arrive, seperate witnesses
Crime scene invest - document crime scene
Medical examiner- cause of death to victim
Detective- interview people
Specialists - scientists, psychologists
District attorneys(possibly)- search warrant necessary

Question 12

Summarize the three steps of a crime scene investigation

Answer 12

Recognizing
Documenting
Collecting evidence