Catching More Offenders with EvoFIT Facial Composites: Lab Research and Police Field Trials

α
Charlie D. Frowd
Charlie D. Frowd
σ
Peter J.B. Hancock
Peter J.B. Hancock
ρ
Vicki Bruce
Vicki Bruce
Ѡ
Faye C. Skelton
Faye C. Skelton
¥
Chris Atherton
Chris Atherton
§
Laura Nelson
Laura Nelson
χ
Alex H. McIntyre
Alex H. McIntyre
ν
Melanie Pitchford
Melanie Pitchford
Ѳ
Rebecca Atkins
Rebecca Atkins
α University of Lancashire University of Lancashire

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Catching More Offenders with EvoFIT Facial Composites: Lab Research and Police Field Trials

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Abstract

Often, the only evidence of an offender’s identity comes from the memory of an eyewitness. For over 12 years, we have been developing software called EvoFIT to help eyewitnesses recover their memories of offenders’ faces, to assist police investigations. EvoFIT requires eyewitnesses to repeatedly select from arrays of faces, with ‘breeding’, to ‘evolve’ a face. Recently, police forces have been formally evaluating EvoFIT in criminal cases. The current paper describes four such police audits. It is reported that EvoFIT composites directly led to an arrest in 25.4% of cases overall; the arrest rate was 38.5% for forces that used a newer, less detailed face-recall interview. These results are similar to those found in the laboratory using simulated procedures. Here, we also evaluate the impact of interviewing techniques and outline further work that has improved system performance.

References

19 Cites in Article
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  2. C Frowd,V Bruce,D Ross,A Mcintyre,P Hancock (2007). An application of caricature: how to improve the recognition of facial composites.
  3. Charlie Frowd,Vicki Bruce,Ashley Smith,Peter Hancock (2008). Improving the quality of facial composites using a holistic cognitive interview..
  4. C Frowd,V Bruce,Y Plenderleith,P Hancock (2006). Improving target identification using pairs of composite faces constructed by the same person.
  5. C Frowd,D Carson,H Ness,D Mcquiston,J Richardson,H Baldwin,P Hancock (2005). Contemporary Composite Techniques: the impact of a forensically-relevant target delay.
  6. C Frowd,D Carson,H Ness,J Richardson,L Morrison,S Mclanaghan,P Hancock (2005). A forensically valid comparison of facial composite systems.
  7. C Frowd,S Fields Verbal overshadowing interference with facial composite production.
  8. Charlie Frowd,Peter Hancock,Derek Carson (2004). EvoFIT.
  9. C Frowd,P Hancock,V Bruce,A Mcintyre,M Pitchford,R Atkins (2010). Giving crime the 'evo': catching criminals using EvoFIT facial composites.
  10. C Frowd,D Mcquiston-Surrett,S Anandaciva,C Ireland,P Hancock (2005). An evaluation of US systems for facial composite production.
  11. C Frowd,L Nelson,F Skelton,R Noyce,P Heard,J Henry,D Morgan,S Fields,A Mcintyre,P Hancock Interviewing techniques for Darwinian facial composite systems.
  12. Charlie Frowd,Joanne Park,Alex Mcintyre,Vicki Bruce,Melanie Pitchford,Steve Fields,Mary Kenirons,Peter Hancock (2008). Effecting an Improvement to the Fitness Function. How to Evolve a More Identifiable Face.
  13. C Frowd,M Pitchford,V Bruce,S Jackson,G Hepton,M Greenall,A Mcintyre,P Hancock (2010). The psychology of face construction: giving evolution a helping hand.
  14. Stuart Gibson,Chris Solomon,Matthew Maylin,Clifford Clark (2009). New methodology in facial composite construction: from theory to practice.
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  18. James Tanaka,Martha Farah (1993). Parts and Wholes in Face Recognition.
  19. C Tredoux,D Nunez,O Oxtoby,B Prag (2006). An evaluation of ID: an eigenface based construction system.

Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

How to Cite This Article

Charlie D. Frowd. 1970. \u201cCatching More Offenders with EvoFIT Facial Composites: Lab Research and Police Field Trials\u201d. Global Journal of Human-Social Science - A: Arts & Humanities N/A (GJHSS Volume 11 Issue A3): .

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GJHSS Volume 11 Issue A3
Pg. 35- 46
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Crossref Journal DOI 10.17406/GJHSS

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Often, the only evidence of an offender’s identity comes from the memory of an eyewitness. For over 12 years, we have been developing software called EvoFIT to help eyewitnesses recover their memories of offenders’ faces, to assist police investigations. EvoFIT requires eyewitnesses to repeatedly select from arrays of faces, with ‘breeding’, to ‘evolve’ a face. Recently, police forces have been formally evaluating EvoFIT in criminal cases. The current paper describes four such police audits. It is reported that EvoFIT composites directly led to an arrest in 25.4% of cases overall; the arrest rate was 38.5% for forces that used a newer, less detailed face-recall interview. These results are similar to those found in the laboratory using simulated procedures. Here, we also evaluate the impact of interviewing techniques and outline further work that has improved system performance.

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Catching More Offenders with EvoFIT Facial Composites: Lab Research and Police Field Trials

Charlie D. Frowd
Charlie D. Frowd University of Lancashire
Peter J.B. Hancock
Peter J.B. Hancock
Vicki Bruce
Vicki Bruce
Faye C. Skelton
Faye C. Skelton
Chris Atherton
Chris Atherton
Laura Nelson
Laura Nelson
Alex H. McIntyre
Alex H. McIntyre
Melanie Pitchford
Melanie Pitchford
Rebecca Atkins
Rebecca Atkins

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