5 Written questions
5 Matching questions
- Visible Prints
- Thomas Jennings
- Eccrine Gland
- Ear Prints
- a A special plastic material rolled from the bottom of the ear to the top produces an ear print that can be developed just like a fingerprint. Ear prints can also be lifted from windows at crime scenes.
- b largely water with both inorganic (ammonia, chlorides, metal ions, phosphates) and organic compounds (amino acides, lactic acids, urea sugars)
- c first person be convicted using fingerprints in the US
- d A plain or central pocket whorl have at least one ridge that makes a complete circuit. A double loop is made of two loops and an accidental is not covered by other categories.
- e Made by fingers touching a surface after the ridges have been in contact with a colored material such as blood, paint, grease, or ink.
5 Multiple choice questions
- has friction ridges that enter on one side of the finger and cross to the other side while rising upward in the middle
- Foot Prints are taken at birth as a means of identification for infants.
- Integrated Automated Fingerprint Identification System (FBI's). Police forces can submit samples to be compared to those on this computerized database
- an Argentinian police officer, researched the science of fingerprints, corresponded with Galton, then devised his own system of fingerprint classification.
- unique and can be used to identify suspects. These imprints were placed in gum and could be matched to crime scene evidence.
5 True/False questions
Brandon Mayfield → first person to be convicted using fingerprints
Latent Prints → Ridge impressions left on a soft material such as putty, wax, soap, or dust.
Powders → lines can be identified and may be used against suspects
Plastic Prints → Ridge impressions left on a soft material such as putty, wax, soap, or dust.
Ninhydrin → fumes react with oils and fats to produce a temporary yellow brown reaction. Iodine crystals sublime (go directly from solid to vapor).