Criminal investigations
Instigation
Instigation is realising the need for an investigation and setting it
up.
Proactive Instigation Reactive Instigation
This instigation is brought about This instigation is brought about after
because of information already a crime has already happened.
held by the police or other
agencies, which gives the police Reports from public
the chance to investigate a crime Referral by other services
before it happens. E.g., terrorism Intelligence links from other crimes
offences/ gang activity. Consequence of other police actions
Re-investigations because of new
Crime pattern analysis information
Tactical assessment
Operational intelligence This is the opportunity for the police
to determine if a crime has taken
place, whether an investigation is
necessary, and how serious the
crime is.
Initial Investigation
Instigation
Instigation is realising the need for an investigation and setting it
up.
Proactive Instigation Reactive Instigation
This instigation is brought about This instigation is brought about after
because of information already a crime has already happened.
held by the police or other
agencies, which gives the police Reports from public
the chance to investigate a crime Referral by other services
before it happens. E.g., terrorism Intelligence links from other crimes
offences/ gang activity. Consequence of other police actions
Re-investigations because of new
Crime pattern analysis information
Tactical assessment
Operational intelligence This is the opportunity for the police
to determine if a crime has taken
place, whether an investigation is
necessary, and how serious the
crime is.
Initial Investigation
