Introduction to Crime Scene Investigation- Classification of Crime Scenes

1. Types of Crime Scenes

2. Outdoor
 Area may be more
 Not covered by a roof
 More prone to contamination
 More barricading an securing is required
 Environmental conditions is a major factor (evidence based
protocols to be followed)
 Lighting conditions, night time, etc.

3. Indoor
 Smaller area
 Covered by a roof
 less susceptible to environmental loss and deleterious change.
 Multiple people accessing the scene will cause contamination
 Securing is much easier

4. Conveyance
 Also known as mobile crime scene
 A vehicle of transportation

5. Classification based on location of the
crime committed
 Primary
 Secondary

7. Primary Crime Scene
 The initial location reported until further information is
obtained.
 The place or location where the crime has taken place

8. Secondary crime scene
 Any other location that is connected to the primary crime
scene
 That is connected to the crime in some manner
 During the process of investigation a secondary crime scene
may turn out to be the primary crime scene.

9. 3rd Classification
 Based on the crime committed
 Homicide
 Burglary
 Sexual assault
 Robbery
 Suicide
 Road traffic accident

10. 4th Classification
Based on the size
 Macroscopic
 The crime scene itself
 Microscopic
 The evidence found
 Trace evidence
 The body