Chapter 7 The Follow-Up Investigation
The Decision to Launch a Follow-Up Investigation
Is a suspect named or described?
Can the suspect be identified?
Is there physical evidence?
Is a suspect vehicle described?
Does the crime fit an established M.O.?
Were deadly weapons used?
Was the victim significantly harmed?
Does this crime link to others?
Will the victim ID the suspect?
Was traceable property taken?
Is follow-up necessary?
Follow-Up Methods
Examination of Physical Evidence
Neighborhood Canvass
Leads
Follow-Up Methods
Database Checks NCIC/CIB/MOCIC  CODIS/In-House
Line-Ups
Follow-Up Methods
Surveillance
Informants
Facial Recognition Software
Criminal Intelligence
Indicative
Tactical
Strategic
Evidential
Intelligence Cycle
Planning
Collection
Processing
Analysis
Dissemination
Reevaluation
Crime Analysis
Tactical-For Response Purposes
Strategic-For Ongoing Problems
Administrative-For Planning
Linking Data
Times & Events
Telephone Records
Behavior & Traits
Financial Records
Geography
Profiling
Remote Sensing
Finally:
The Internet