7 s's of crime
First Step
Pollen is an example of trace evidence
True
what percentage of people have arches?
5 %
The passing of evidence from a source (ex. carpet) to the suspect. Then, from the suspect to the victim.
Secondary Transfer
Second Step
Every individual, including identical twins, has a unique fingerprint
True
What Percentage of people have Whorls?
30%
The Smallest unit of a texile
Fiber
Third Step
An investigator can determine if a hair is animal or human based on the type of medulla present
False
What Percentage of People have Loops?
An arrangement of mineral crystals formed into a recognizable shape.
Mineral Fiber
Fourth Step
If fibers from two separate places can be matched, that does not mean they derive from the same source
True
How many different types or fingerprints did we learn about
3
A fiber that is produced from an animal, plant, or mineral sources.
Natural Fiber
Six Step
Searching for Evidence
There are methods available to determine the composition of fibers without burning them
True
How many different types of fingerprints are their total
8
A fiber harvested from a man-made substance.
Synthetic Fiber