Chapter 2 The Crime Scene Flashcards
What kind of evidence encompasses any and all objects that can establish that a crime has been committed or can provide a link between a crime and its victim or a crime and its perpetrator.
Physical evidence
What three methods are used for crime-scene recording?
Photography, sketches, and notes
A draft representation of all
essential information and measurements at a
crime scene. This sketch is drawn at the crime
scene. It shows all recovered items of physical
evidence, as well as other important features of
the crime scene.
Rough Sketch
A precise rendering of the crime
scene, usually drawn to scale. This type is not
normally completed at the crime scene.
Finished Sketch
What is A list of all persons who came
into possession of an item of evidence.
Chain of Custody
Which officer must secure the crime scene?
The first officer
What basic search pattern has one or two investigators start at the boundary at one end of the scene and walk straight across to the other side; then move a little farther along the boarder and walk straight back to the other side?
Strip or Line Search Pattern
What basic search pattern employs two people performing line searches that originate from adjacent corners and form perpendicular lines?
Grid Search Pattern
What basic search pattern usually employs one person move either in an inward spiral from the boundary to the center of the scene or in an outward spiral from the center to the boundary?
Spiral Search Pattern
What basic search pattern employs several people moving from the boundary straight toward the center of the scene or from the center straight to the boundary?
Wheel or Ray Search Pattern
What basic search pattern divides the scene into zones or quadrants, and team members are assigned to search each section?
Quadrant or Zone Search Pattern
Evidence should remain unmoved until investigators have documented the evidences its location and appearance in _____, _____, and ______.
notes, sketches, and photographs
Fibers, hair, soil, wood, gunshot residue and pollen are a few examples of what?
Trace Evidence
What kind of evidence is something that is real or concrete and should be treated as fact?
Tangible Evidence
What kind of evidence cannot be seen with the eyes, like bloodstains bleached out?
Latent evidence