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47 Cards in this Set
- Front
- Back
- 3rd side (hint)
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what is "Locard's Exchange Principle" |
Perpetrator of a crime will bring something into the crime scene and leave with something from it, and that both can be used as forensic evidence.
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by taking somthing, you re leaving somthing. |
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What are the three patrons of a fingerprint? |
Loops, Whorls, Arches |
in a circle, rymes with swirls, and the MC D's has golden..... |
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what is AFIS? |
The Automated Fingerprint Identification System, it can find similar matches
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it's a data base fillied with what? |
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can the constiution protect you from your writing? |
no |
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how many types of "Exemplars" are there and what are they? |
there are 2, they are Non-requlated, and Undicated |
there is 2 of them |
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Photography of evidence is both s "____" and "___" |
Documentation and Collection |
D.C. |
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What is the difference between "Class" and "Individual" pertaining to evidence? |
Class characteristic - properties of evidence that can only be associated with a group and not a single source, Individual characteristics can be identified as Individual characteristics can be identified ashaving originated with a particular person or having originated with a particular person orsource
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group, Self. |
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what is Dactyloscopy?
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the study and classification of finger prints. |
has to do withfinger prints |
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what s a ‘mechanical impression’?
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is any indentation on an object caused by a machine
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machine leaves. |
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how do we develop latent fingerprints?
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we use Ultra-Violet rays and laser radiation since e can not see the print |
can not see |
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Define ‘Forensic Science’
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provides impartial scientific evidence for use in the courts
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what is sublimation?
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the transition of a substance directly from the solid to the gas phase without passing through the intermediate liquid phase
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goes from a soild straight into a _______ |
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what are the types of fingerprints generally encountered at a crime scene?
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Patent, PLastic, Lanent |
3 of them |
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what type of prints are these? |
Ulnar (going to the left) and Raidal (going to the right) loos |
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what are these Galton Details? |
1. Island, 2. Bifurcation, 3.Ridge Ending, 4. Spur, 5. Crossover |
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what pattern is this? |
Tented Arch |
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what pattern is this? |
Plain Arch |
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what are the 4 types of Whorl fingerprints? |
Plain, Central Pocket, Double Loop, and Accidental Whorls |
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what pattern is this?
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Accidental Whorl |
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what pattern is this? |
Central Pocket Whorl |
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what pattern is this? |
Double Loop Whorl |
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what pattern is this? |
Plain Whorl |
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Name the the Bones corresponding to the number. |
1. Skull, 2.Pelvis, 3.Tibia, 4.Femur, 5. Humerus |
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what are the three pieces of information that we want the forensic anthropologist to provide to us? |
Biological Identification, Reconstructing the Postmortem events, and information about the death event. |
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what is this? |
Frankfort Horizontal Position
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how do we determine ‘age’ of a person based on skeletal remains |
the length of the bones and how the joining of bones. |
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what is Ossification? |
the natural process of bone formation. |
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what part of the skull is labeled 1? |
Nassion |
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What part of the skull is marked with 1 and 2? |
1.External Auditory Meatus, 2. Zygomatic Process |
1. has the word AUDIO in it. 2. ZYGO |
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What does CODIS stand for, and how does it help an Investigator? |
CODIS= Combined DNA Index System. It gives an Investigator samples from other Crime scenes and/or DNA files from convicted people in prison or jail. |
Kinda like the fingerprint index system |
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What are the 3 files of the CODIS? |
Forensic File, Convicted File, and Missing Person File. |
FF, CF, MPF |
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What is the difference between Nuclear and Mitochondrial DNA? |
Mitochondrial DNA is only passed down through the mother and it also surrounds the Nuclear DNA |
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What is a "base pair"? |
In DNA G always goes with C and A always goes with T |
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What are the 3 rules on collecting biological evidence? |
1. allow to air dry, 2. Package in paper, Mark bio hazard. |
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What are the two most damaging elements?, regarding the deterioration of evidence. |
Heat and Moisture. |
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What are the 3 stages of hair growth? |
Anagen Phase, Catagen Phase, Telogen Phase. |
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how to determine blood type? |
add antigen to see. |
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What does "Impact Splatter" mean? |
in order for something to have a splatter there must be some liquid there to have a splatter. |
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What does "cast off splatter" mean? |
cost off is the blood either coming from the victim or from the killing instrument and striking the surface at an angle |
coming off soothing |
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how can you determine the direction of travel of blood platter? |
the "tails" of the cast off points in the direction of travel. |
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what does " wave cast off" mean? |
Wave cast off is a droplet of blood striking with such force that the "wave effect" causes a portion to lose its cohesion with the parent drop. |
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what is the volume of a single passive blood drop? |
0.5ml |
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how do you collect a wet blood sample? |
may be collected on a swab, then all to air dry, package in paper, and mark bio hazard. |
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how do you collect a dry sample of blood? |
you can cut it out, transport the whole item, swab with a damp swab with distilled water, or r it. in the end mark bio hazard and put in paper. |
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what does "ACE-V" mean? |
Analysis, Comparison, Evaluation, and Verification
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what does "taphonomy" mean? |
the study of what happens to materials between death or discard and the time recovery |
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how many cm is equal to one inch? |
2.54cm=1in |
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