Crime scene documentation:
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T or F: Documentation starts before arrival
True
What is the order of four tasks:
• Note-taking • Videography • Photography • Sketch
Documentation is done through . . .
“Step by Step actions”
Note taking is important because . . .
• Provides a permanent record (CSI may rely on notes in future) • Seemingly insignificant info may be significant (everything has to be documented)
Guidelines for note taking:
• Notification (arrival) • Info surrounding (initial walkthrough) • Description of scene (conditions) • Description of scene (all evidence)
T or F: It is ok to erase mistakes in prelim assessment
False
Guidelines at the scene:
• Notification • Arrival • Initial walkthrough • Scene Description • Victim (if applicable)
Notification follows . . .
• Date and time • Method of notification • Info received • Any info relayed
Arrival:
• Means (transportation) • Date and time • Personnel present (scene) • Name and affiliation • Name of witness
Initial walkthrough:
Date and time began - Who performed? Who else was in attendance - Date and time ended
Scene description:
Description (scene location) - Surrounding (house/streets) - Indoor and Outdoor - Condition/weather
Victim:
What info collected depends on weather the victim (alive/dead) - Victim’s phys description - Relevant demographic - Description (wounds if visible) - Presence/absence (identification)
Detailed evidence:
• Phy’s description (evidence exhibits) • Location • Position • Evidence collection • Who (name/affiliation) • When (date)
What are the guidelines of videography . . .
Must remain objective (no audio) - Clear photos
What must a scene video include?
Date and time - Videography - Location - Case (number)
Effective scene video. . .
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)
What purpose does photography hold?
• Refresh memory (CSI and witness) • Demonstrates special relationships (scene and evidence) • Convey image of the scene (circumstance of crime)
T or F: all photographs must show a photo log
True
Photo log:
Proof of documentation taken at the scene . . . - Date - Case number - Photographers name - Info of equipment used (take photo)
Information specific to each photo:
• Date and time • Type of photo • description • Listing of each photo
Equipment photography:
Still, photo used (norm) - 35 mm film single lens reflex (SLR) - DSLR (48 mm) Higher megapixel, allows for better close-up photos
Flash:
External flash, often better (flash built into camera)
Camera lens:
Tools to bring up light (focal point) - Lenses within DSLR (interchangeable) - Normal 55mm/CSI “macro lens” - Duplicates what the normal eye perceives.
What do overall photos involve?
Arrival at scene - Includes locator images - Demonstrates (location scene) - Serves (Capture scene condition, before alteration) - Depicts overall scene context