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Core Functionality of iOPS Developed with the Metropolitan Police Service. (New Scotland Yard). Freya Newman, MSc Centre for Investigative Psychology The University of Liverpool, UK www.i-psy.com. Comparative Case Analysis. Q1: Can I link undetected crimes together?
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Core Functionality of iOPSDeveloped with the Metropolitan Police Service.(New Scotland Yard) Freya Newman, MSc Centre for Investigative Psychology The University of Liverpool, UK www.i-psy.com
Comparative Case Analysis Q1: Can I link undetected crimes together? Q2: I have an offender with a particular offending style. What other crimes is he good for?
Q1: Can I link undetected crimes to a common offender? Burglaries
Structural Analysis of Behaviours Posed (42)
Identify crime series All the same offender
Q2: I have an offender with a particular offending style. What other crimes is he/she good for? Burglaries
Posed & distraction? Burglaries
Posed & distraction Crime series
Suspect Prioritisation • Who dunnit? • Geography AND Behaviour to prioritise suspects
Geography • Prioritises offenders by the location of their (home) base(s) • iOPS does this with Dragnet • Geographical ‘profiling’ system • Developed at CIP • Integrated within iOPS
Principles of Dragnet • Offenders tend commit crimes close to home • As distance from home to crime increases Probability of committing the crime decreases • Distance decay
Our Example Known offenders?
Our example X = Prioritised offenders = Known offenders = Crimes in series
Our example X = Prioritised offenders = Known offenders = Crimes in series
MO Matching Behaviours in crimes Behaviours of known offenders climb sharp smoke defecate
3. Prioritise suspects using Geo-behavioural profiling iOPS: An interactive Geo-Behavioural Profiling System 2. Identify offence series 1. M.O. 'heat map' 4. Social Network Analysis 5. Linked Offenders?