Bottom up approach

Question 1

bottom up approach

Answer 1

• generate picture of offender from evidence - likely characteristics, social background
• profile is data driven and emerges as investigator engages

Question 2

investigative psychology

Answer 2

• aims to establish patterns of behaviour that are likely to occur across crime scenes
• data and details of crime can be matched across crime scenes - series of offences could be linked

Question 3

interpersonal coherence

Answer 3

• the way an offender acts at the crime scene

- how they interact with the victim

Question 4

forensic awareness

Answer 4

• individuals who have been subject of police investigations before
• behaviour suggest how mindful offender was at covering tracks

Question 5

Geographical profiling

Answer 5

• uses information about location of linked crime scenes to make inferences about likely home or operational base of an offender

Question 6

Marauder

Answer 6

someone who operates in close proximity to home base

Question 7

commuter

Answer 7

someone who is likely to have travelled a distance away from usual residence

Question 8

evaluation

Answer 8

+ evidence - 66 sexual assaults - consistent pattern of behaviour
+ evidence for geographical profiling - 120 US serial killer cases, place where bodies left created a circle of gravity pointing to home base
- Geographical information insufficient - recording of crime inaccurate, age and experience matter