Introduction to CSI
He is the founding father of crime scene investigation.
Who is ...
Edmund Locard
Evidence can be defined as anything which
Proves or Disproves a fact in contention
Class and Individual
What are...
Rifles, shotguns, handguns
This always take priority over evidence preservation.
What is...
Emergency care
Define "in situ"
What is...
as is, undisturbed, as found
What are...
Physical
Testimonial
What is...
Every contact leaves a trace.
What is...
Cartridge
This is the most important thing an initial responding officer must do.
What is...
Arrive safely/not become a casualty themselves
Processing a crime scene consists of these two things.
What is...
Examination and Evaluation
These three things make up the Evidence Linkage Triangle.
What are...
Scene, Victim, Suspect
What are:
Loops, Whorls, Arches
This is an example of a firearm class characteristic
What is...
caliber, shape of extraction or ejection mechanism, number of, shape of, size of and direction of lands & grooves
If the IRO/FRO sees a trace evidence item, they should do this to preserve it.
What is...
Document and collect it
These are the 6 basic steps to crime scene processing.
Assessing, Observing, Documenting, Searching, Collecting, Analyzing
What are...
Addition, Destruction, Movement of evidence
Name 5 Nucleated DNA Sources.
What are...
Blood, bone, hair w root, skin, flesh, organs, saliva, sweat, vaginal secretions, seminal fluid, feces, urine, fingernails and/or scrapings, fingerprints, ear and nose secretions.
This is an example of a firearms individual characteristic.
What is...
striations, firing pin strikes, breech-bolt mark, ejector/extractor marks
Once the initial perimeter is established, the FRO/IRO should do this.
What is...
consider enhancing security, collecting fragile evidence, ensure scene is contained, start scene security log, begin notes
These are the 3 entities that the justice system must consider.
What are...
Victim
Accused
Society
This is the number 1 goal of CSI
What is...
The TRUTH
Name the 3 elements of gun shot residue.
Antimony, Barium, Lead
The wad from a shotgun can tell the firearms examiner this information (2 things)
What are...
size of shotgun, manufacturer of ammunition
This is an example of what defines the "Primary Scene."
What is...
Primary focal points
Natural entry and exit points
Secondary scene