Search Methods
Polygraph
Crime Scene
Finger Prints
Trace Evidence
Blood
Hair and Digital Media
100
The search method that doesn't have a formal geometric pattern or is easily definable
Link Method
100
Sometimes used in forensic cases to help determine the truthfulness of someone who may be connected to a possible crime.
Polygraph/Lie Detector Test
100
The term for someone that has just died
Decedent
100
Name the four fingerprint patterns
Arch, tented arch, loop and whorl
100
The component of hair that gives it color
Cortex
100
What are the four main blood types
A, B, AB, O
100
The outer most part of a hair
Cuticle
200
Used on large, outdoor crime scenes. Searchers follow the first line pattern and search in the same manner as the line method. Once the first line pattern is complete, searchers realign on the other line pattern.
Grid Method
200
The physiological data (vital signs) that is measured while conducting a polygraph...
Blood pressure, heart rate, respiratory rate, and skin conductivity
200
The name of the decedent in PLTW who has just died
Anna Garcia
200
Can two people have the same fingerprints?
No
200
Tiny fragments of physical evidence, such as hairs, fibers from clothing or carpeting, and pieces of glass.
Trace evidence
200
The blood type associated with agglutination in both the Anti-A antibody and the Anti-B antibody wells
AB
200
The part of the hair that is responsible for its color
Cortex
300
Used on large, outdoor crime scenes. Members of the search team are arranged at regular intervals, usually arm’s length, and then proceed to search along straight lines.
Line (or strip) Method
300
The type of questioning used at the beginning of an interrogation
Baseline questioning: used as a starting point for comparison of physiologic behaviors of the person of interest
300
Signs, items, or material that supports, or corroborates a crime
Evidence
300
Finger print pattern that slopes up and down resembling a mountain
Arch
300
A type of evidence found on electronic devices that store data, such as computers, smartphones, or tablets
Digital Evidence
300
The blood type associated with agglutination in neither the Anti-A serum or Anti-B serum
O
300
What are some things that investigators can tell about a person's hair beside length, color, or whether it's curly, straight, etc...
Growth cycle, certain diseases, whether it's been treated with straighteners or chemicals...
400
Used on crime scenes that are comprised of readily definable areas, such as in houses or buildings.
Zone Method
400
The types of questions a polygraph uses
Yes/No questions
400
Someone who law enforcement thinks may have information related to a possible crime.
Person of Interest
400
Finger print pattern where ridges curve to form a circular shape
Whorl pattern
400
Fingerprint patterns can change over time
(T/F)
False. Patterns don't change. Minutiae can.
400
The blood type that is the universal donor
O
400
The inner most part of a hair shaft. Can be absent with some hair types
Medulla
500
Used on crime scenes with no physical barriers, such as open water. Can either begin at the center and move
Spiral Method
500
The reason why polygraphs are not admissible in court
Not always accurate, some people can manipulate their responses, too many variables
500
Branch of science that analyzes evidence for investigative purposes regarding criminal and civil matters.
Forensic Science
500
How many minutiae points do you need for a positive match?
12
500
The act of tainting, polluting, or defiling evidence
Contaminating
500
The blood type that is the universal recipient
AB
500
What is the main protein found in hair?
Keratin