Vocab
This kind of evidence can be easily transferred from victim to suspect.
What is TRACE evidence?
All of the following are ways to improve our observational skills except
a) be sure to look at the entire area, not just the body, weapons, or signs of break-in
b) observe everything no matter how big or small
c) when collecting evidence, record only those things that you are sure are important
d) write down and photograph everything you find
c) when collecting evidence, record only those things that you are sure are important
These people maybe useful in determining cause of death.
What is a MEDICAL EXAMINER?
Hair is considered this kind of evidence because it excludes groups of people but does not identify someone specifically.
What is CLASS evidence?
Natural fibers can be harvested from
a) plants and animals
b) only from plants
c) only from animals
d) plants, animals, and minerals
D) What are plants, animals and minerals?
This kind of evidence proves a fact but does not connect a suspect to a crime.
What is CIRCUMSTANTIAL evidence?
Two ways the brain might alter sensory information
• Emotional state, anxiety, substance abuse
• Whether you are alone or with a group of people
• The number of people and/or animals in the area
• What type of activity is going on around you
• How much activity is occurring around you
Securing the scene is this person's responsibility.
Who is the FIRST RESPONDER?
The three parts of hair.
What is the cuticle, the cortex and medulla?
The shiny nature of silk can be related to
a) its hollow core
b) its ability to refract light
c) its smooth, round fibers
d) mucus secretions from the silkworm
B) its ability to refract light
Eyewitness statements, a suspect's confession, video footage of the crime being committed
What is DIRECT evidence?
True or False: Our memory is perfect!
What is a PAPER BINDLE?
This part of the hair follicle is transparent.
What is the cuticle?
All of the following are characteristics of a synthetic fiber
except Obj. 4.3
a) They are formed by combining monomer compounds into polymer
molecules.
b) They are man-made.
c) They are used in the production of carpet fibers.
d) They do not contain any natural fibers.
B) They are man-made.
A fiber produced naturally and harvested from animal, plant or mineral sources
What is a NATURAL FIBER?
Ways to improve your observational skills.
What is remain calm, collected and use all senses.
An evidence log and record.
What is a CHAIN OF CUSTODY?
A medulla index of 0.33 or less
What is human hair?
Fibers are an excellent source of trace evidence because
a) They are easily transferred from victim to suspect.
b) They are often overlooked by a suspect.
c) They can be easily collected and stored.
d) all of the above
D) All of the above
A flexible, flat material made by interlacing yarns or threads together
What is a TEXTILE?
The first step when arriving at a crime scene.
What is SECURE the scene?
In the late 70s, 23 children were discovered murder. This case went viral.
What is the Atlanta Child Murders?
A medulla index greater than 0.55.
What is human hair?
What characteristics of cotton make it a great source of fiber for
clothing?
a) It is very easy to grow.
b) It is resistant to staining.
c) The fibers are easily woven and dyed.
d) The fibers are extremely long.
C) The fibers are easily woven and dyed.