CSI

Question 1

Types of Forensic Evidence

Answer 1

Blood
Bodily Fluids
Footwear
Paint
Tools / Instruments
Glass
Fibres
Fingerprints
Firearms
DNA
Digital Media
Hair

Question 2

Locard’s exchange principle

Answer 2

Every contact leaves a trace

Question 3

Types of Fingerprints

Answer 3

Visible

Latent

Question 4

Types of Footwear marks

Answer 4

Impression mark

Surface transfer mark

Question 5

5 C’s

Answer 5

Confirm - what, where, size, H&S
Clear - non-essential people (record details)
Cordon - Use physical boundaries and tape
Control - Legitimate access only (scene log)
Check - the other 4 actions have been done properly

Question 6

Initial Considerations

Answer 6

Heath and Safety (yours and others)
Preservation of evidence (unless injuries not compatible with life)
Protecting vulnerable evidence - Secure the scene, minimising disturbance, protect against the elements

Question 7

Common Approach Path

Answer 7

What route would the suspect have taken, avoid that route. e.g. don’t use the door that the used to escape. Everyone use the same route. Recorded in SPNB

Question 8

What can the photographs be used for?

Answer 8

To compile a statement
Briefing tool (CSI, Investigation Manager)
Used to show witnesses/suspects/victims
Show to forensic scientists

Question 9

Rules

Answer 9

Fill the frame
Four corners to make almost a panorama, then long, mid and close for individual items
Take the photographs at the photographers height - room shots
Never delete - the images are numbered so it might look like you’ve hidden things
If you think it is relevant, take a photograph
Health and Safety
Must overlap
No personnel or equipment in photographs

Question 10

What to photograph at an RTC

Answer 10

Any road signs
Any tyre marks
Any clear faults with the car
Any documentation - FMT 600
Anything that you believe is relevant - what was in front and behind the car from drivers height

Question 11

What to photograph in a Building

Answer 11

4 x corners overlapping
Name or number of building
Doorways and corridors - portrait

Question 12

What is required?

Exhibit Sketch Plan

Answer 12

Title & Exhibit - Exhibit SC/1 - Sketch Plan of...
Date & time compiled.
Compiled by...
Signed
NOT TO SCLAE
Pen NOT pencil
No common approach path on the exhibit
Can be done on the computer and printed

Question 13

Cross Contamination

Answer 13

Introducing something that wasn’t originally there.
Trace evidence added/moved/monitored/altered after the crime is committed.
Caused - Inappropriate Practices, Investigator Transfer, Incorrect or poor packaging

Question 14

Anti-Contamination Strategy

Answer 14

Staff Deployment
Scene cordon & Entry
Scene Movement
Detection Animals
Equipment 
PPE

Question 15

Volume Crime PPE

Answer 15

2 pairs of gloves

Face mask

Question 16

Scene Preservation - MARAD

Answer 16

Must not compromise a scene by the material being:
Lost
Moved
Added
Removed
Altered
Destroyed

Question 17

Principles of Packaging

Answer 17

Preservation
Isolation
Correct & Clear Labelling
Security

Question 18

Packaging Considerations

PIC

Answer 18

Container used
Wet Articles
Exhibit Continuity - take ownership of your exhibits, sign for them

Packaging and Handling
Integrity
Continuity

Question 19

Clothing - TWAT

Answer 19

You want to recover the clothing as quickly as possible
Time - amount of time between transfer and recovers
Washing - the amount of times it has been washed since
Activity - What activity - e.g. running/how much wear etc
Texture - Type or garment (woollen jumper/leather)

Question 20

What are they types of transfer?

Answer 20

One way
Two way
Random
Specific
Secondary

Question 21

Health and Safety

Answer 21

PPE
Was hands after handling exhibits
Keep areas clean
Never smoke