Trace evidence Flashcards
What does a hair with a root w/ follicle attached imply?
Hair was forcibly removed
What does a hair with a root w/o a follicle attached imply?
Naturally falling out
Which end of a hair (distal or proximal) has a tip
Distal
Which end of a hair (distal or proximal) has the follicle
Proximal
What does a hair with a postmortem root band imply?
Hair was originated from a decomposing body
What is another name for the postmortem root band
Dead man’s root
What is the formula for calculating a medullary index
Width of medulla/Width of strand
What does a hair with a linear tip imply?
Haircut w/in the past two weeks
What does a sharp angle on a hair tip imply?
Razor haircut within the past 2 weeks
What does a curled and blackened/burnt hair imply?
Been in/near fire or high heat
What does an abraded end of a hair imply (ripped)
Hair got caught on something
What does a rounded end of a hair tip imply?
No recent haircut
What does the split end of a hair imply?
Dry hair, or no hair cut in over 6 months
What does a hair that looks “scratched” imply?
Treated with a harsh chemical (dyed)
How do you tell if a hair is dyed?
ALL of the hair is the color of the dye
