Impression Evidence
What gives a tool its special identity?
damage like chips and scratches
________ is a ridge line that comes in form one side, goes up in the middle, and leaves on the other side.
Arch
The middle layer of a hair (compared to the wood of a pencil) is the __
cortex
What does post mortem interval mean?
time that has past since the victim died
What type of blood spatter is typically created from a gunshot?
High Velocity
What are "Patent" or visible impressions?
2-D impressions that are visible to the unaided eye
________ is a ridge line that comes in from one side, goes up, around, and back out the same side.
Loop
Which layer of hair is the most important component when determining which individual human the hair came from?
cortex
How does temperature have an effect on insect evidence?
high temp. speeds up insect's life cycle
Which of the following CANNOT be determined from blood spatter?
Exact Weapon Used
What are "Latent" impressions?
Impressions hidden to the eye but can be made visible using development techniques
_________ is a ridge line that makes a complete circle.
Whorl
The name for man-made fibers is:
synthetic fibers
Which of the following is the correct order of the life cycle of a blow fly?
egg, larva (1st instar, 2nd instar, 3rd instar), pupa, adult
What type of blood spatter is typically created from a gunshot?
High Velocity
What 3-D method of collecting Impression evidence uses a dental stone or mixture to preserve the dimensional characteristics of the print?
Casting
Which arch lines come in from one side and goes out the other and in the middle, they rise to a point?
tented arch
What is the medulla?
Spongy innermost core of hair that gives hair its flexibility; appears as a linear canal in the middle of the hair shaft
The three different larval stages of flies is a what?
Instar
Which of the following CANNOT be determined from blood spatter?
Exact Weapon Used
Shoe and tire marks impressed into soft earth can be best preserved by:
photographing and casting with dental stone
If you have a loop on your fingerprint opening towards the pinky on your right hand, what is it called?
ulnar loop
The deepest layer of hair (compared to the lead of a pencil) is the ___
medulla
The nonfeeding stage of development for an insect is what?
Pupa
What blood stain pattern is created or formed by the force of gravity acting alone?
Passive Drop