| A | B |
| arch | print pattern with ridge lines that enter on one side and flow out the other side |
| iodine fuming | using iodine vapors to visualize latent prints on porous surfaces |
| latent fingerprint | invisible print made by deposition of oils and/or perspiration |
| fraudulence | When forgery is done for material gain it is called ____. |
| loop | print pattern that enters from one side and curves around to exit from the same side |
| ninhydrin | visualizes latent prints by reacting with amino acids in perspiration |
| plastic print | ridge impressions left on a soft material |
| ridge characteristics | identifiable marks that must match in two fingerprints to establish common origin |
| super glue fuming | chemical reagent used to visualize latent prints on porous surfaces |
| visible print | ridge impressions left when finger have been in contact with a colored material |
| whorl | print pattern with rounded or circular ridges and two deltas |
| fingerprints | identifiable ridge patterns formed by dermal papillae of skin |
| controlled substance | a drug or other chemical compound whose manufacture, distribution, possession, and use is regulated by the legal system and which is given a schedule number 1-5. |
| bifurcation | point where one ridge divides forming two ridges |
| medullary index | Determined by measuring the diameter of the medulla and dividing it by the diameter of the hair. Animal MI is 1/2 or greater. Human is 1/3 or smaller. |
| biological function of fingerprints | provide a firmer grasp and a resistance to slippage |
| epidermis | outermost layer of human skin |
| dermis | inner layer of skin contains sweat glands, oil glands, and nerve endings |
| loops | most common fingerprint pattern |
| arches | least common fingrprint pattern |
| narcotic | an addictive dug, such as opium, that relieves pain, alters mood and behavior, and causes sleep or feelings of mental numbness |
| acute poisoning | means a person had single exposure to the poison, marked by short duration and high dose. |
| delta | ridge point nearest to the type line divergence |
| core | approximate center of any fingerprint pattern |
| dopamine | A neurotransmitter released in response to behaviors that feel good or are rewarding to the person or animal; also involved in voluntary motor control. |
| ways to take drugs | Ingested, smoked, snort, inject, absorbed by skin. Fastest action is via injection. |
| Rachel Carson | "Silent Spring" author who sparked a environmentalist movement She questioned the long term effects of DDT and other pesticides. |
| exemplar | A document of known authorship that is being compared to a document of unknown authorship is called a(n) |
| security features on a 100 dollar bill | Security thread, color shifting ink, microprinting, watermark, 3D security ribbon, raised printing |
| questioned document | Any signature, handwriting, typewriting, or other written mark whose source or authenticity is in dispute or uncertain |
| factors that effect handwriting | Writing instrument, age, mood, fatigue and how hurried the writer is. |
| document analysis | the examination of questioned documents with known material for a variety of analyses, such as authenticity, alterations, erasures, and obliterations |
| counterfeiting pen | a pen that contains iodine, which reacts with starch in paper and turns a dark brown color. If starch is not present it remains amber. |