1.1.3 Trace Evidence

Question 1

Locard’s exchange principle

Answer 1

every time you make contact with another person, place, or thing, it results in an exchange of physical materials.

Question 2

trace evidence

Answer 2

tiny fragments of physical evidence

Question 3

Forensic Technician

Answer 3

work in the lab or in the field to process crime scenes

Question 4

Growth cycle

Answer 4

when a forensic scientist looks at the root of the hair and categorize it into three stages

Question 5

Anagen

Answer 5

the hair grows (growth cycle)

Question 6

Catagen

Answer 6

the follicle shrinks (growth cycle)

Question 7

telogen

Answer 7

the hair sheds (growth cycle)

Question 8

Pili Torti

Answer 8

hair disease seen under microscope

Question 9

Arch slope

Answer 9

-upward and then downard
-simple; starts on one side of the finger
-cascades upward slightly then downward to the other side of the finger

Question 10

tented arch

Answer 10

-ridges in center of the tented arch converge and thrust upward, creating the appearance of a pinched tent

Question 11

loop pattern

Answer 11

-ridges curve back on themselves
- forms loop shape

Question 12

radial loops

Answer 12

-pointing toward the thumb
-pointing toward the(ulnar loop) pinky

Question 13

Whorl

Answer 13

-circular or spiral pattern

Question 14

Minutiae

Answer 14

tiny fingerprint ridge details, and make sure to match at least twelve to fifteen points of similarity between the two prints to establish that they are identical.

Question 15

Technique used to get fingerprints

Answer 15

dusting and lifting

Question 16

Digital evidence

Answer 16

evidence found on devices that store data, such as computers, smartphones, or tablets; can provide investigators with a better picture of the person’s relationships, activities, and behaviors before their death.