Crime scene documentation:

Question 1

T or F: Documentation starts before arrival

Answer 1

True

Question 2

What is the order of four tasks:

Answer 2

1. Note-taking
2. Videography
3. Photography
4. Sketch

Question 3

Documentation is done through . . .

Answer 3

“Step by Step actions”

Question 4

Note taking is important because . . .

Answer 4

1. Provides a permanent record (CSI may rely on notes in future)
2. Seemingly insignificant info may be significant (everything has to be documented)

Question 5

Guidelines for note taking:

Answer 5

• Notification (arrival)
• Info surrounding (initial walkthrough)
• Description of scene (conditions)
• Description of scene (all evidence)

Question 6

T or F: It is ok to erase mistakes in prelim assessment

Answer 6

False

Question 7

Guidelines at the scene:

Answer 7

• Notification
• Arrival
• Initial walkthrough
• Scene Description
• Victim (if applicable)

Question 8

Notification follows . . .

Answer 8

• Date and time
• Method of notification
• Info received
• Any info relayed

Question 9

Arrival:

Answer 9

• Means (transportation)
• Date and time
• Personnel present (scene)
• Name and affiliation
• Name of witness

Question 10

Initial walkthrough:

Answer 10

Date and time began
- Who performed? Who else was in attendance
- Date and time ended

Question 11

Scene description:

Answer 11

Description (scene location)
- Surrounding (house/streets)
- Indoor and Outdoor
- Condition/weather

Question 12

Victim:

Answer 12

What info collected depends on weather the victim (alive/dead)
- Victim’s phys description
- Relevant demographic
- Description (wounds if visible)
- Presence/absence (identification)

Question 13

Detailed evidence:

Answer 13

• Phy’s description (evidence exhibits)
• Location
• Position
• Evidence collection
• Who (name/affiliation)
• When (date)

Question 14

What are the guidelines of videography . . .

Answer 14

Must remain objective (no audio)
- Clear photos

Question 15

What must a scene video include?

Answer 15

Date and time
- Videography
- Location
- Case (number)

Question 16

Effective scene video. . .

Answer 16

All aspects initial walkthrough
General view scene
- Enters scene moves through scene, shows items of evidence, wide-angle perspective
- Zoom in areas of evidence
- Leave scene (still record after left)

Question 17

What purpose does photography hold?

Answer 17

• Refresh memory (CSI and witness)
• Demonstrates special relationships (scene and evidence)
• Convey image of the scene (circumstance of crime)

Question 18

T or F: all photographs must show a photo log

Answer 18

True

Question 19

Photo log:

Answer 19

Proof of documentation taken at the scene . . .
- Date
- Case number
- Photographers name
- Info of equipment used (take photo)

Question 20

Information specific to each photo:

Answer 20

• Date and time
• Type of photo
• description
• Listing of each photo

Question 21

Equipment photography:

Answer 21

Still, photo used (norm)
- 35 mm film single lens reflex (SLR)
- DSLR (48 mm)
Higher megapixel, allows for better close-up photos

Question 22

Flash:

Answer 22

External flash, often better (flash built into camera)

Question 23

Camera lens:

Answer 23

Tools to bring up light (focal point)
- Lenses within DSLR (interchangeable)
- Normal 55mm/CSI “macro lens”
- Duplicates what the normal eye perceives.

Question 24

What do overall photos involve?

Answer 24

Arrival at scene
- Includes locator images
- Demonstrates (location scene)
- Serves (Capture scene condition, before alteration)
- Depicts overall scene context

Question 25

What do overall photos involve:

Answer 25

Exterior, and Interior

Question 26

Exterior:

Answer 26

Surrounding of scene - Aerial photographs - Location (indoor scene) relative to larger. - Demonstrate perimeter large (outdoor scene)

Question 27

Interior:

Answer 27

Actual scene - Taken all 4 cardinal directions each room (coroner of indoor) - All photos (overlap) - Should include doors leading to and from

Question 28

Mid-door:

Answer 28

Intermediate of evidence establishing - Shows where evidence is in the scene - Transition viewer (overall close up) - with and without evidence marker

Question 29

close up:

Answer 29

purpose: show details specific evidence and detail scene (context)

Question 30

What are the two types of close-up photos?

Answer 30

1. Photographs (evidence exhibit found) 2. Photograph (evidence exhibit) with marker

Question 31

Sketches:

Answer 31

Permanent record size and distance - Relationships (all scene) and assocsiated evidence using measurements Routine for major crime

Question 32

what are the two types of crime scene sketches?

Answer 32

Rough, and final

Question 33

Rough:

Answer 33

Often done after the initial walkthrough - measurements done after photo

Question 34

Final:

Answer 34

Prepared for presentation in court - Prepared based on rough

Question 35

Every crime scene sketch:

Answer 35

Title and caption - Legend - Compass - Docu block - Case number Offence type - Victim names (if applicable) - Date and time - Name affiliation - Scale

Question 36

Types of sketches:

Answer 36

- Floor plan - Site plan - Elevation - Cross-sectional plan

Question 37

Floor plan:

Answer 37

Two dimensional sketch - Birds eye view - Indoor scenes (utilized)

Question 38

Elevation:

Answer 38

Two dimensional (sketch) used for vertical plane

Question 39

Site plan:

Answer 39

Two dimensional - Bird's eye view - Obtained by other sources (at times) - Utilized in outdoor

Question 40

Cross-sectional plan:

Answer 40

"Exploded view"/ "cross projectional" - Two-dimensional (sketch) - Combination (Floor/elevation) - Utilized in both indoor and outdoor

Question 41

Measurements:

Answer 41

All sketches (contain measurements) - Sketching often done last measurements

Question 42

4 methods of search:

Answer 42

Triangulation, baseline, polar, perspective grid, photogrammetry

Question 43

Triangulation:

Answer 43

measuring distances from two fixed points (locations of evidence) - fixed point: unmoveable item Requires multiple people - Best for outdoor scenes

Question 44

Baseline:

Answer 44

Measuring the distance other of objects from the baseline (right angle) - Indoor: Baseline (wall) - Outdoor: Baseline (related) to a fixed point (requires multiple people)

Question 45

Polar coordinate:

Answer 45

"Map and compass" - CSI stand at fixed point and sight evidence to exhibit - Requires 2 people

Question 46

Photogrammetry:

Answer 46

"Perspective grid method" - Places an object of known measurements into a photograph - Multiple (overlapping phos)/multiple angles - Include standard measuring tool