1. © David Last Criminals on the Move Slaugham Manor, Sussex 16 April 2015 GPS Tracking Evidence - Handle with Care! Professor David Last Picture: earthobservatory.nasa. gov//newsroom/BlueMarble/

2. © David Last Pictures: www.garmin.com,www.bbc.co.uk/newswww.garmin.com GPS The Global Positioning System

3. © David Last TomTom Car Navigator GPS receiver + Computer Picture: www.tomtom.com

4. © David Last List of addresses extracted from TomTom car navigator

5. © David Last Plot of addresses extracted from TomTom car navigator

6. © David Last Picture: www.paraben.com, www.msb.com, www.forensicnavigation.com, www.blackthorn2.com, www.cellebrite.com

7. © David Last Picture: Audi Bedienungsanleitung englisch 1.05 254.562.742.20

8. © David Last Quality of evidence from satellite navigators At its worst … Nevertheless… List of addresses, but … No identity, no times or dates No route, no evidence of visit No specific vehicle Powerful leads Linked to other evidence

9. © David Last Quality of evidence from satellite navigators At its best … Name and home address Addresses in order, favourites Language and preferences Telephone numbers and calls and possibly …. Multiple timed and dated tracks

10. © David Last

14. GPS Tracking Evidence comes from: Law enforcement covert operations Employers Commercial tracking companies Motor insurance companies Criminals Pictures: www.vehicletrackingltd.co.uk, www.olmc.eu,blogs.guardian.co.uk

15. © David Last

18. Pictures: www.gral-gju.org/examples.php, dreamtimes

19. © David Last GPS Tracking System on Vehicle

20. © David Last GPS Tracker using Text Messaging Pictures: www.amazon.co.uk, www.conrad-uk.com GPS Data Logger

21. © David Last

22. Vehicle tracking system

23. Delivered – or not? © David Last

24. GPS Tracking Record

25. © David Last GPS Tracking Record Raw data: Data received:

26. © David Last

28. Law Enforcement professionals may download these documents from CDA (Communications Data Assistant) Contact: Andy Beet, National Policing DCG Futures Lead Cobalt Square, 1 South Lambeth Road, London SW18 1SU dcgfutures@met.pnn.police.uk

29. © David Last Criminals on the Move Slaugham Manor, Sussex 16 April 2015 GPS Tracking Evidence - Handle with Care! Professor David Last Picture: earthobservatory.nasa. gov//newsroom/BlueMarble/