Hair
What type of evidence is hair?
Individual
Are crime scenes consistent?
What is fiber?
The smallest indivisible unit of a textile
What are the two ways pollen is carried?
Wind and water
Is Police surveillance footage circumstantial or direct evidence?
Direct
What is keratin?
Protein that makes hair strong
How many steps of crime scene investigation are there?
7
Where do natural fibers come from?
Animals, plants, minerals
What types of evidence does forensic palynology involve?
Pollen and spores
What type of evidence would blood be considered?
Direct/biological
What are the 4 search patterns?
What are the two types of fibers?
Natural and synthetic
What is a pollen fingerprint?
The number and type of pollen grains found in a geographic area at a particular time of year
What is biological evidence?
Evidence that came from a living source
What layer of the hair gives it the color?
Cortex
What is the initial location of a crime called?
Primary crime scene
What are the two ways fibers can be transferred?
Direct and secondary transfer
Compound light microscope
What is physical evidence?
Evidence that came from non-living sources
What is the test that is used to detect toxins/chemicals in the hair?
Neutron Activation Analysis
What are the steps of crime scene investigation?
Secure, separate, scan, see, sketch, search, secure
What are some properties of polyester?
Wrinkle-resistant, and not easily broken down by light or concentrated acid; added to natural fibers for strength
What are the oldest seed plants called?
Gymnosperms
Who is Dr. Edmond Locard?
Known as the Father of Forensics, Established the first forensics laboratory in Lyon France in 1910, Known for Locard’s Exchange Principle