The Law & Evidence
Fingerprints
Hair
Fibers
Ballistics
Random
100
Anything that can be used to prove/disprove a fact
evidence
100
How many points of similarity are REQUIRED to match a print in the U.S.?
ZERO
100
What are the 3 main parts of a hair AND list them in order from the most inner layer to outermost layer
Medulla,Cortex,Cuticle
100
what are the 2 main types of fibers?
Natural & Synthetic
100
T or F: Even though it wasn't available until 1999, we can use NIBIN to help solve cold cases as long as the evidence has been logged in properly.
TRUE
100
What sport is the only game to be played on the moon?
Golf!
200
What is the single greatest cause of wrongful convictions?
Eye Witness Testimony
200
Assuming this is the RIGHT hand. What type of fingerpint is this?
radial loop
200
What medulla pattern is shown below?
Continuous
200
When lit, a fabric begins to burn quickly and turns into an ash- what type of fiber is this?
Natural fiber based on the residue turning into an ash
200
Trajectory would be studied under _______________ ballistics. While understanding how a firearm works would be studied under _______________ ballistics.
Trajectory would be studied under External (soon as the bullet exits from the barrel) ballistics. While understanding how a firearm works would be studied under Internal (within the firearm) ballistics.
200
Which astronomer is called out in the song "Bohemian Rhapsody"?
Galileo
300
What does the 4th Amendment protect U.S. citizens from?
Unlawful search & seizure
300
Assuming this is the RIGHT hand, what type of pattern is this?
double loop whorl
300
what are two ways you can tell between human & animal hair WITHOUT dna testing?
Look at the medullary index
Look at the cuticle pattern
Look at the cortex pigment (darker to light or lighter on outside and darker in middle)
300
How will synthetic fibers look under a microscope vs natural? provide 2 descriptive ways to tell
Synthetic= more uniform, identical, rounded, perfect looking
Natural= flattened, may have scales (animal hairs have cuticles,) non-uniform,messy
300
How long does GSR last on the BODY before disappearing forever?
4-8 hours!! Which is why it is so important to find a gunman asap!
300
before embarking on her solo career, Queen B(eyonce) was part of what R&B group?
Destiny's Child
400
Level of proof in a criminal court to prove the defendant is guilty
Beyond a Reasonable Doubt
400
Which forensic technique is best for developing latent prints on smooth, non-porous surfaces?
Cyanoacrylate Fuming (Superglue chamber)
400
Where is pigment (color) contained in the hair?
Cortex
400
What is the most common/produced man-made fiber?
What is the most common/produced natural fiber?
Polyester
Cotton
400
BEFORE A FIREARM IS LEGALLY BOUGHT, what can the serial # tell investigators?
When & Where the firearm was born
400
What U.S. international airport was deemed the busiest in the world?
Atlanta airport
flies more than 100 million people a YEAR
500
What does the Exclusionary Rule state about obtaining evidence?
Any evidence obtained illegally (not explicitly said in the warrant) cannot be used in the court of law
500
What are the two online databases for fingerprint evidence known as? *Label which is the National vs. State level
AFIS (Automated Fingerprint Idenitification System) = STATE
IAFIS (Integrated Automated Fingerprint Identification System) = NATIONAL
500
Is this an animal or human hair? provide 2 reasons
Human Hair (absent medulla & Darker on outisde, lighter on inside)
500
what is chromatography?
the seperation of something (dye) into its component parts (the different colors to make up that dye)
500
Provide 2 tool marks that can be found on a casing AND the ONLY 2 tool marks that can be found on a bullet
Casing: Breachface mark,extractor mark,ejector mark, caliber size, manufactorer, Firing Pin Impression
Bullet: Striations, Lands & Grooves
500
What year did Facebook first launch?
2004
600
List the 7S's when investigating a crime scene (does not have to be in order)
Search
Sketch
Save (& Collect)
Secure
See (to it that everything is documented),
Seperate Witnesses
Scan the scene
600
What are the 3 different types of fingerprint evidence that can be found at a crime scene? Provide 1 word to describe each.
Plastic = Molding/Indentation/Impression
Latent = Invisible
Patent= Visible
600
What are the 2 types of DNA found in hair? Where can each be found? Provide an advantage & disadvantage for each
Nuclear DNA= Found in the follicular tissue surrounded by the bulb/root (follicle)
A= Shows 100% of the individual's genetic profile
D= Harder to obtain and if you do, there's not a lot of it
Mitochondrial DNA= Found in the hair shaft
A= More abundent and easier to get
D= Only shows the maternal side of the genetic profile
600
Define Locard's Exchange Principle
Every contact leaves a trace.
In other words, everywhere you go and touch, a piece of trace evidence (fingerprints,fiber,hair,etc.) will be left behind.
600
JUST CONSIDERING THE AMOUNT OF INDIVIDUAL EVIDENCE AVAILABLE- would investigators prefer a casing or a bullet to examine?
A casing!! It has WAYYY more individual characteristics to compare
600
The girls in the movie "Grease" are members of what group?
The Pink Ladies
