People on the Scene
Who is the person in charge of heading up the investigation?
Lead Detective
Search method used in large outdoor spaces - officers walk shoulder to shoulder.
Line Search
True or False - Each piece of evidence must be put in it's own individual container.
TRUE
Does this happen during the 1st, 2nd, or 3rd phase of procession a crime scene?
Evidence Classification
2nd
What is a crime scene?
Any place where evidence may be located and gathered to help explain events.
Who is the person in charge of securing the crime scene?
First officer on the scene
Double line search method - officers walk in one direction, then start again walking the same area in the perpendicular direction.
Grid Search
What type of samples are gathered at the crime scene to use as comparisons to validate tests and procedures?
Control Samples
Does this happen during the 1st, 2nd, or 3rd phase of procession a crime scene?
Evidence Collection
1st
Why is a crime scene sketch important?
Because it gives perspective to any videos/photographs taken. It is drawn to perfect scale and gives an overall layout of the scene.
Who is called if there is a death at a crime scene?
Medical Examiner
Used in houses or buildings - officers assigned to specific areas.
Zone Search Method
True or False - Trace evidence is collected last after all other evidence has been catalogued.
FALSE
Does this happen during the 1st, 2nd, or 3rd phase of procession a crime scene?
Evidence Documentation
1st
What is an accelerant?
Flammable substance used to start a fire.
Who tests the physical evidence from a crime?
Forensic Scientist
Method used in small areas - officers start in the middle and walk out in straight lines, repeating this in all directions from the center.
Wheel/Ray Method
What is chain of custody?
WRITTEN record of who has had possession of evidence at all times since it's original collection.
Does this happen during the 1st, 2nd, or 3rd phase of procession a crime scene?
Evidence Identification
2nd
List two methods of documenting a crime scene.
notes
sketch
photos
videotape
Who gathers evidence at a crime scene?
Crime Scene Investigator
Officers use this in small spaces (and spaces without walls). Walking in a circular motion from the center out or the outside to the center.
Spiral Method
If a fingerprint is found on a brick at a crime scene, how is the evidence gathered for the lab?
They take the whole brick.
Does this happen during the 1st, 2nd, or 3rd phase of procession a crime scene?
Evidence Testing
3rd
Evidence is gathered from crime scenes to explain what three things?
1. Sequence of events
2. Modus Operandi (MO of perp)
3. Motive for crime