Fingerprints

3. chemical (super glue) that when heated reacts to the amino acids found in sweat to make latent prints visible; best used on metals and plastics
5. usually made with aluminum or charcoal, then gently brushed across a surface where fingerprints could be located; then if made visible are lifted
8. minutiae that are considered forks
10. small characteristics of a fingerprint that impart individuality because of their location and orientation on a fingerprint; also called ridge characteristics
12. minutiae that are small; usually part of an eye or an island
13. fingerprint pattern that creates a pattern of concentric circles
15. minutiae’s that occur when two ridges come together
16. a surface that does not contain microscopic holes

1. fingerprint pattern that enters on one side of the finger and exits the other side; two types: tented and plain
2. fingerprint pattern that enters and exits on the same side of the finger
4. minutiae that are found at the end of a ridge
6. minutiae that are small sections of ridge lines
7. computer program that contains digitized images of fingerprints from police organizations all over the country and allows collected prints to be compared to those already in the program
9. triangular ridge pattern minutiae
11. a surface that contains small microscopic holes
14. an imprint that is invisible to the naked eye; only made visible with special techniques