The forensic statistical analysis of incident series
Bruin, Patricia de
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When a person is involved in a series of incidents, it may be used as evidence in court. An infamous case in the Netherlands is the one of the nurse Lucia de Berk, whose presence during a relatively large number of incidents in hospital wards raised suspicion. Other examples include persons being involved in a high number of fire incidents, or traffic accidents. In this research, we dive into four types of incident series and discuss the different forensic statistical methods that were proposed in the literature to quantify the strength of evidence. We will give comments and recommendations for further improvements of the proposed models. The aim is to write a recommendation to the Netherlands Forensic Institute on how to deal with a series of similar, possibly criminal, events when they are asked by parties such as the police or legal authorities to analyse the statistical evidence.