crime scene basics

Question 1

what is direct evidence?

Answer 1

first hand observations (eyewitness accounts, videos, confessions)

Question 2

what is circumstantial evidence?

Answer 2

indirect evidence that can be used to imply a fact

Question 3

what is physical evidence?

Answer 3

man made objects/documents, prints/marks, and soil

Question 4

what is biological evidence?

Answer 4

evidence that comes from the body or the earth

Question 5

what is trace evidence?

Answer 5

small amounts of evidence

Question 6

what is class evidence?

Answer 6

evidence that narrows down to a group, not an individual

Question 7

what is individual evidence?

Answer 7

evidence that narrows down to an individual

Question 8

what are the seven S’s of crime scene investigation?

Answer 8

Secure the scene
Separate the witnesses
Scan the scene
See the scene
Sketch the scene
Search for evidence
Secure and collect evidence

Question 9

what is the chain of custody?

Answer 9

each person who gets a hold of the evidence should be logged to make sure the evidence isnt tampered with

Question 10

what are the four search patterns?

Answer 10

spiral, grid, linear, and quadrant

Question 11

what is bias?

Answer 11

believing that some people or ideas are better than others