Physical Evidence
What are the three layers of hair?
The the inner medulla, the cortex, and the outer cuticle.
What are the three types of fingerprints?
Arch, whorl, and loop
Headstamp.
How many types of handwriting characteristics are there?
12
What organ does alcohol effect?
Liver
What stage of hair life cycle does hair grow the fastest.
Anagen Stage
The middle of a fingerprint
core
What are the three types of tool marks impressions?
Impression, Abrasion, and cutting
What are three types of forged documents
checks, employment records, legal agreements, licenses, wills
What is a resopnse response to prolonged, heavy intake of alcohol or other drugs, the body’s need for progressively larger amounts of a chemical to cause the same levels of intoxication
Tolerance
What is the most common mineral in sand?
Quarts
Who is Alec Jefferys?
The inventor of DNA fingerprinting?
What must tool mark crime scene photos accompany in them.
A measuring device.
What are 3 items most commonly forged?
Currency, Traveler’s checks, Food stamps, Certain bonds, and Postage stamps
What is a chemical that slows the heart rate and brain activity and causes drowsiness
depressant
Which side is the entry point of glass.
The side with the smaller hole.
What percent of the world have whorl fingerprint
30%
What type of ammo do shotguns fire?
pellets
What is fraudulence?
forgery for material gain
What are three factors that affect alcohol absorption
Body weight, how much alcohol is consumed, over what time period, amount of food in the stomach, frequency of drinking alcohol, body fat percentage, medications and popular energy drinks
How do you determine the order multiple projectiles entered glass?
The point where the radial fracture stops spreading.
What is added to gel DNA to make it visible?
UV light
What marks appear on the rim or center of the spent cartridge?
firing pin marks
What are 5 of the major specific traits of handwriting?
All 12 are: Line quality, spacing, size consistency, continuous, connecting letters, lettering complete, pen pressure, cursive and printed letters, slant, line habits fancy curls or loops, and placement on crosses on t's and dots on i's.
What is the amout of alcohol a person would need to exceed to get a DUI?
0.08