Unit 1.5: Crime Scenes

Question 1

Biological & Physical Trace Evidence

Answer 1

Biological - Fingerprints, bodily fluids, hair
Physical - Paint chips, glass fragments, scratch marks

Question 2

What is a Bindle?

Answer 2

A piece of paper folded into 9ths that is ment to hold a small piece of trace evidence.

Question 3

What is chain of custody and why is it used?

Answer 3

Chain of custody is when a piece of evidence is placed an an evidence bag with full documentation of who had it at what time and who gave it to them in order to ensure that evidence can easly be tracked and not tampered with.

Question 4

Class Vs. Individual Characteristics

Answer 4

Class - The manufactured/type of item.
Individual - Scratches, stains, tears, other damage.

Question 5

Why is Lockard’s Exchange Principle important?

Answer 5

It helps find evidence that can help further solve a crime or link a victim/suspect.

Question 6

Types of Crime Scene Photographs

Answer 6

Overview photo, Intermediate photo. Close up photo.

Question 7

Types of Grid Searches

Answer 7

Inward Spiral, Outward Spiral, Grid, Zone, Parallel.

Question 8

What needs to be in a crime scene sketch?

Answer 8

Evidence numbered, pin points on evidence, a chart with evidence the exact pin points of evidence with its evidence # and what it is, and a compass.

Question 9

Steps of Processing a Crime Scene

Answer 9

Step 1: Interview
Step 2: Examine
Step 2: Photograph
Step 4: Sketch
Step 5: Process

Question 10

How will evidence at a crime scene be documented?

Answer 10

Photographs and sketches/maps

Question 11

Direct Evidence Vs. Circumstantial Evidence

Answer 11

Direct - A first hand statement from a witness or a video/photo
Circumstantial - Evidence that IMPLYS a fact.