Fingerprint Evidence
Glass & Hair Evidence
Forensic Specialists
Decomposition & Estimating time of death
Random Forensics
200
True/False: Fingerprints can be classified as class characteristics
False!
Fingerprints are unique and are therefore individual evidence with individual characteristics.
200
If hair is forcibly removed from a victim, the entire hair follicle may be present. This is called a:
Follicular Tag
We can accept Root, but be sure to note the correct scientific term.
200
Forensic Dentist
Forensic Odontologist
200
What insect is often first on the "scene"
The fly
I could take maggots ... because maggots come from flies
200
What is the most prevalent plant fiber?
Cotton
300
What is the fingerprint Class?
Loop
300
What are the 3 types of glass
Pyrex- Heat resistant
Tempered- Stress resistant
Laminated- Double plated (2 pieces bonded together)
300
Which forensic specialist uses insects to solve crimes
Forensic Entomologists
300
What are three ways of estimating time of death?
Any three;
Algor Mortis
Livor Mortis
Rigor Mortis
Potassium level in the eye
Stomach contents
300
A standard document of known origin and authorship is known as an
Exemplar
600
What is the fingerprint class?
Whorl
Specifically- Double loop whorl
600
The region of a hair located outside of the medulla containing granules of pigment is called:
The Cortex
600
This specialist conducts autopsies and collects evidence from the dead body
Pathologist
600
What are the TWO processes during decomposition?
Autolysis
Putrification
600
A standard document of unknown origin and authorship is known as a
Questioned Document
800
The teacher will highlight a characteristic on the print below. What is it?
Enclosure or Eye
800
If glass can't be put together (piece by piece) what 2 things can we use to identify the type?
Densities and Refractive Index
800
Skeletal remains were found on a high school campus. Which specialist will you call?
Anthropologist
800
What can influence the rate of cooling of a dead body?
Any of the following;
Exposure to sunlight
Weather Conditions
Location of Body
Clothing or no clothing
Size of body
800
Fingerprint
State the 3 fingerprint principles?
No two fingerprints are the same
Fingerprints remain unchanged
Fingerprints have ridges
1000
Prior to fingerprinting what method of identification was used?
Anthropometry
1000
What can we use to differentiate human hair from animal hair?
Any of the following;
Pattern of pigmentation (cortex)
medulla
Cuticle
1000
BONUS QUESTION!!
Gain double points if you get this correct in the time frame - 2 minutes ie. 120 seconds
How long has someone been dead for if there temp is 63F
1.4 is loss every hr for the 1st 12 hrs.
0.7 is lost for the 2nd 12 hrs
Normal body Temp: 98.6
Can accept:
38.9 hours
39 hours
1000
A body was found with a temperature of 68F. How would we calculate the total heat loss from the body.
Note: a body cools at a rate of 1.4F for the first 12 hours, and 0.7F after those 12 hours.
Assume normal body temperature is 98.6F.
98.6F-68F= 30.6F
1000
What can fiber evidence be gathered with?
Any of the following;
Vacuums
sticky tape
tweezers