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Linking arson incidents on the basis of crime scene behavior
Journal of Police and Criminal Psychology
  • Pekka Santtila, Abo Akademi University
  • Katarina Fritzon, Bond University
  • Anna Lena Tamelander, Abo Akademi University
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Santtila, P., Fritzon, K., & Tamelander, A.L. (2004). Linking arson incidents on the basis of crime scene behavior. Journal of Police and Criminal Psychology, 19(1), 1-16

© Copyright Springer, 2004

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The present study investigated the possibility of statistically linking arson cases based on consistency of behaviors from one crime scene to another. Serial and spree arson cases were studied to differentiate underlying themes and to link cases committed by the same offender. The material consisted of 248 arson cases which formed 42 series of arsons. A content analysis using 45 dichotomous variables was carried out and principal components (PCA) analysis was performed to identify underlying themes. Summary scores reflecting the themes were calculated. Linking effectiveness was tested with a discriminant function analysis using the summary scores. The PCA analysis was successful and underlying themes which were in accordance with previous studies could be identified. Six factors were retained in the PCA. The linking of the arson cases was possible to a satisfactory level: 33% of the cases could be correctly linked and for over 50% of the cases, the series they actually belonged to was among the ten series identified as most probable on the basis of the linking analysis. From a practical point of view, the results could be used as a basis for developing support systems for police investigations of arson.
Citation Information
Pekka Santtila, Katarina Fritzon and Anna Lena Tamelander. "Linking arson incidents on the basis of crime scene behavior" Journal of Police and Criminal Psychology Vol. 19 Iss. 1 (2004) p. 1 - 16 ISSN: 1936-6469
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