Into To Crime Scene Processing

Question 1

What are the three types of evidence?

Answer 1

1) testimonial- evidence from witnesses, video, audio

2) documentary- cheques, documents, certificates, photographs

3) physical- fingerprints, footwear, tire impressions, physical match etc

Question 2

What is locards exchange principle ?
(Exchange of evidence)

Answer 2

When any object or person comes into contact with an object or person, a cross transfer of physical evidence occurs (the EXCHANGE of evidence)

Question 3

Evidence. What are the 4 responsibilities from time of collection until court?

Answer 3

1) identify each piece of evidence
2) describe exactly where it was found
3)prove continuity
4)describe the changes in the evidence
-physical damage due to storage
- spillage/evaporation
- change in physical appearance

Question 4

What is the path of evidence?

Answer 4

Most likely area to find evidence.

The safe path - the area away from path of evidence when possible to search and clear evidence to allow personnel access

Question 5

What are good sources of DNA?

Answer 5

Blood, saliva, hair root, tooth pulp, bone marrow, skin cells, muscles, semen, nasal secretions.
(Not poop and pee)