Crime Scene 1
What is a way to prevent contamination of a crime scene.
Secure the area with crime scene tape or barricades.
What are some common types of physical evidence.
fibers, soil, glass, bones, documents, etc
Who state "whenever two objects come into contact with each other, traces of each are exchanged."
Who is Locard.
The impression evidence that can be individualized to a person
what are fingerprints
Anything that tends to establish or disprove a fact
What is evidence.
this has care and aesthetic appearance. It must render a precise crime scene portrait that is usually drawn to scale
What is a finished sketch
this search pattern has four major zones
What is a quadrant search
How is evidence documented at a crime scene?
What is by photographs, notes, sketches.
Striations are types of evidence that can individualize this
What are bullets or ammunition
When the defendant pleads guilty and the prosecutor reduces the charges
What is a plea bargain.
Before blood evidence can be packaged it must first be ________. Give reasons
Dried because of mold and mildew.
A small piece of paper that is torn into 4 pieces can be considered individualized evidence. (true or false)
true
Properties of evidence that can be associated with only a group and never a single source
What are class characteristics
The type of evidence that is based on suggestion rather than personal knowledge or observations.
circumstantial evidence
Statement made under oath by a competent witness
What is testimonial evidence.
Name 5 items on a rough sketch.
legend, compass, date, time, type of crime, investigators, victim, case # location, etc
This is used to collect evidence that is sharp and maybe cause harm to investigators
Bubble wrap envelope or wooden box
A written record of all people who have had possession of an item of evidence.
What is chain of custody.
The unit within the forensics laboratory that studies blood, hair and plant material.
What is the Biology unit.
The study of pollen and spores
What is Palynology.
This is placed below the sketch and it correlates the letter to the item's description on both rough and finished sketches
What is a legend
List 5 materials used when collecting evidence
What are gloves, forceps (tweezers), plastic bags, envelopes, tape, chain of custody, evidence description, paper bags
What was the significance of the Ronald Cotton case.
What is that it demonstrates the fallibility of eyewitness accounts.
The study of bite marks and dental identification of corpses.
What is forensic odontology.
The medical examiner performs this type of examination on the body to determine what? (2-part question)*you must tell me both for your points
What is an autopsy to determine the time of death