Observation & Evidence
Hair & Fiber
Fingerprints & Handwriting
Soil & Glass
Death
100
2 factors that affect an eyewitness's observation.
What is Emotional state, if alone or with a group of people, # of people/animals around, type of activity, or how much activity is going on?
100
Root or base of the hair containing living cells or DNA.
What is Hair follicle?
100
3-dimensional fingerprint in clay, soap, or putty.
What is A plastic fingerprint?
100
Material in the upper layers of soil made up of decaying remains of plants & animals.
What is Humus?
100
Cooling of the body after death.
What is algorithm mortis?
200
Evidence that implies a fact, but doesn't prove it.
What is Circumstantial evidence?
200
Fiber produced from a plant, animal, or mineral.
What is A natural fiber?
200
2 things a forensic scientist looks for in a fingerprint.
What is A core and a delta?
200
Volcanic glass.
What is Obsidian?
200
Settling of blood in the body, produces a red coloring in the skin that becomes permanent after 8 hours.
What is lividity?
300
Interpretation of information received from the senses.
What is Perception?
300
The middle of the hair shaft, contains pigments.
What is the cortex?
300
Making, adapting, or falsifying documents in order to deceive someone.
What is Forgery?
300
3/6 types of soil?
What is Sand, clay, silt, peat, loam, & chalk?
300
Time it takes for a body to be in full rigor.
What is 12 hours?
400
Small amounts of physical or trace evidence found at a crime scene.
What is Trace evidence?
400
Life cycle stage of hair in which there is active growth.
What is Anagen?
400
In the late 1800's Sir Edmund Henry developed a 10 card system of fingerprints that separated fingerprints into 3 categories of_____________?
What is Arches, loops, & whorls?
400
How forensic scientists use the submersion method.
What is Place the glass fragment in different liquids with known refractive indices. When the. Glass fragment disappears, the glass has the same refractive index as the liquid, which can identify the type of glass.
400
Cold temperatures, sleeping before death occurs, and being obese.
What are factors that slow down rigor mortis?
500
When 2 people come into contact with each other, a cross-transfer of evidence occurs. The amount of evidence transferred depends on the intensity & duration of the contact
What is Locard's exchange principle?
500
7 sources of natural fibers.
What is Animals, plant, seed, fruit, stem, leaf, & mineral?
500
5 properties of handwriting looked at during handwriting analysis.
What is Line quality, spacing, size consistency, continuous, connecting letters, letters complete, cursive & printed letters, pen pressure, slant, line habits, fancy curls & loops, & dots on i's & t's.
500
Sand that is made up of black basalt and green olivine.
What is Volcanic sand?
500
If the stomach is empty, but the small intestine has food in it indicates how many hours since death occurred?
What is 4-6 hours after the last meal?
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