Forensics Test One

Handwriting exemplars are beyond the scope of the 4th and 5th amendment.

documentation and collection

Thin layer chromatography.

An impression made on paper by a machine or simple tool.

Physical: Powders, small particle reagent, and rough lift

Chemical: Iodine, DFO, Ninhydrin, Silver Nitrate, Super Glue

Radiation: UV rays, and laser radiation

Going from a solid to a gas without ever being a liquid.

Handwriting analysis, historical dating, typewriting analysis, fraud investigation, paper and ink analysis, forgery investigation, forensic stylistics, computer crime investigation

when two objects come into contact with each other a cross transfer occurs

Ulnar loop, radial loop, accidental whorl, plain whorl, central pocket whorl, double loop whorl, tented arch, plain arch

ending ridge, bifurcation, island ridge, dot, bridge, spur, eye, double bifurcation, and trifurcation

Automated Fingerprint Identification System- compares known ten print cards and can also compare unknown latent prints

Requested and non-requested

Class characteristics put it in a group or class while individual ties it to something specific.

• Observe problem
• Form hypothesis
• Do experiments
• Form conclusion
• Make a theory

The application of science to law

The study and classification of fingerprints.

• Patent-visible
• Latent- needs development to be seen
• Plastic-impression (butter, clay ect.)