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Know the constituional protection of handwriting exemplars.
Handwriting exemplars are beyond the scope of the 4th and 5th amendment.
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Photography can be what kind of evidence?
documentation and collection
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What is the chemical process for sepertaing ink?
Thin layer chromatography.
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What is a mechanical impression?
An impression made on paper by a machine or simple tool.
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What methods can be used to develop latent prints?
Physical: Powders, small particle reagent, and rough lift
Chemical: Iodine, DFO, Ninhydrin, Silver Nitrate, Super Glue
Radiation: UV rays, and laser radiation
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What is sublimation?
Going from a solid to a gas without ever being a liquid.
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What are the general specialties under Questioned Document Analysis?
Handwriting analysis, historical dating, typewriting analysis, fraud investigation, paper and ink analysis, forgery investigation, forensic stylistics, computer crime investigation
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What is Locards Exchange principle
when two objects come into contact with each other a cross transfer occurs
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What are the patterns of fingerprints?
Ulnar loop, radial loop, accidental whorl, plain whorl, central pocket whorl, double loop whorl, tented arch, plain arch
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What are Galton details?
ending ridge, bifurcation, island ridge, dot, bridge, spur, eye, double bifurcation, and trifurcation
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What does AFIS stand for and what is it?
Automated Fingerprint Identification System- compares known ten print cards and can also compare unknown latent prints
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What types of exemplars can be collected?
Requested and non-requested
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What is the difference between class and individual characteristics?
Class characteristics put it in a group or class while individual ties it to something specific.
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What are the steps to the Scientific Method?
- Observe problem
- Form hypothesis
- Do experiments
- Form conclusion
- Make a theory
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What is Forensic Science?
The application of science to law
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What is dactyloscopy?
The study and classification of fingerprints.
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What three types of fingerprints are found at a crime scene?
- Patent-visible
- Latent- needs development to be seen
- Plastic-impression (butter, clay ect.)
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