1. John Potts Dr. Becky Milne University of Portsmouth A PILOT STUDY INTO THE USE OF ENHANCED COGNITIVE INTERVIEW TECHNIQUE TO DEBRIEF POLICE INFORMANTS & AGENTS

2. Regulation Of Investigatory Powers Act 2000 Introduced legislation on Conduct and Use of informants. Introduced a chain of command for the protection of police and the informant and defined the following: CHIS.(Covert Human Intelligence Source) Handler. Controller. Authorising Officer.

3. How is the CHIS currently debriefed? Not seen as a witness. Standard Interview. (Fisher et.al1987) Why not use ECI?

4. Aims and Objective of the Study. 1. What is the standard interview and how productive is it in the area of informants? 2. Does the ECI get better information compared to a SI in an informant scenario?

5. Method Interviewees / informants: military students. Event: 4 minute video. Interviewers: experienced informant handlers. Within subject design.

6. Scoring and Coding Correct Incorrect Confabulation. Person. Action Surroundings Object

7. Results 1 ECI N =10 SI N = 10 Correct487245 Incorrect8539 Confabulation10047

8. CorrectIncorrectConfabCorrectIncorrect Confab Person14352387273 Object7158992234 Action14918272832 Surr’in12410274678 Total487851002453947 Results 2 ECI SI

9. Conclusions 1 ECI produces more correct information than the SI in: – Persons – Actions – Surroundings

10. Conclusions 2 ECI > incorrect details in: – Person

11. Conclusions 3 ECI > Confabulations in: – Person – Actions

12. John Potts Metropolitan Police, University of Portsmouth E-Mail john.potts@metpolice.pnn.co.uk Dr. Becky Milne University of Portsmouth