Name one of the principles of Bloodstain Analysis
Knowing what blood is
Knowing the types of stains and patterns
Interpreting patterns
Collecting Evidence
Do drugs stick to your hair?
Yes
Why is blood red?
Red blood cells
(more specifically Hemoglobin)
What is the root of a hair strand called?
a follicle
DAILY DOUBLE!
Name one of the two angles of the blood drop used in interpreting patterns that Ces referenced
90 or 75
Name one of the 4 aspects that hair analysis can show
Heavy metals
Genetic disorders
Family links
Explain the difference between Circular and Elliptical blood splatters
Circular = circle
Elliptical = ellipses
About how many strands of hair do we lose each day?
Around 200
What is a Void stain?
A void occurs when a person or object blocks the path of the blood.
Why do drugs stick to your hair even while growing?
Hair testing can show if you've done drugs over the past 3 months
Why are void stains important?
They are important because voids can show investigators if objects are missing from the scene where a person or persons were at the time of the incident, and if a body was moved.
What is the most common hair color?
Black
Name 2 of the 4 categories of bloodstains
Passive, Transfer, Void, Project/Impact stains
What is the technical term for hair loss?
Alopecia
What is the satellite of a blood splatter ?
drops underneath spikes of blood strings
Do you think that men or women lose more hair each day?
Generally, women lose more hair due to hormones.
How old was Joel Kirkpatrick when he was murdered?
10 years old
Can we trust hair testing?
No - up to interpretation via answers
What are the two liquids in blood?
Plasma and Serum
Closest answer: How much of our body is covered in hair? (Measured in Percentiles)
95%