Tasks of research in forensic medicine - different study types in clinical research and forensic medicine

In the last years the research output of forensic medicine has sometimes been regarded as insufficient and as of poor quality, especially when parameters as impact factors and external funding were taken into account. However, forensic medicine has different tasks compared to clinical medicine. The main difference between basic subjects, clinical and forensic medicine is not a lack of scientific efficiency in forensic medicine but is a result of the questions asked, the available methods and specific aims. In contrast to natural-scientific research, forensic science has furthermore important intersections with arts and socio-scientific disciplines. Etiologic and pathogenetic research is of only limited relevance in forensic medicine. Thus, forensic medicine is excluded from these research fields, which are mainly supported by external funding. In forensic medicine research mainly means applied research regarding findings, the probative value and reconstruction as well as examination at different points of intersection between medicine and law. Clinical types of research such as controlled randomised, prospective cross-sectional, cohort or case-control studies can only rarely be applied in forensic medicine due to the area specific research fields (e.g. thantatology, violent death, vitality, traffic medicine, analytical toxicology, hemogenetics and stain analysis). The types of studies which are successfully established in forensic medicine are comparison of methods, sensitivity studies, validation of methods, kinetic examinations etc. Tasks of research in forensic medicine and study types, which may be applied will be addressed.     

Predicting the residential location of a serial commercial robber

Residential location of a serial offender can potentially be predicted by using models created from home to crime site journeys of solved crimes in the area [N. Levine, Journey-to-crime estimation, retrieved 23 October 2003 from http://www.icpsr.umich.edu/NACJD/crimestat/CrimeStatChapter.9.pdf, last visited 1 February 2005]. Aims of this study were: (1) to examine the accuracy of this technique, (2) to explore relation of modus operandi (m.o.) to the distance the crime was committed from home and (3) to analyse whether the accuracy of prediction is enhanced by taking the m.o. into account. Data consisted of 76 commercial robbery series from the Greater Helsinki area. Accuracy of prediction was tested by using leave-one-out technique: the series which the predicting function was applied to was never part of the function used to predict. The functions allowed limiting the area to be searched to 4.7% (Mdn, IQR = 31.0%) of the study area generally, and to 1.0% (Mdn, IQR = 2.6%) when the suspect's spatial behaviour conformed to the circle hypotheses presented by Canter and Larkin [D. Canter, P. Larkin, The environmental range of serial rapists, J. Environ. Psychol. 13 (1993) 63-69]. Significant correlations between m.o. and the length of the journey-to-crime were found, but this information did not enhance accuracy of prediction. Low percentage of marauder style perpetrators in the data gives support to the possible separation of hypotheses of underlying spatial behaviour in instrumental crimes versus crimes of interpersonal violence or arson. Suggestions for development of investigative tools are presented.     

Triallelic patterns in STR loci used for paternity analysis: evidence for a duplication in chromosome 2 containing the TPOX STR locus

We report triallelic patterns in several short tandem repeat (STR) loci revealed by routine paternity testing using the commercial AMPFlSTR Profiler and AMPFlSTR SGMplus kits. One case where the TPOX-locus (2p25.3) produced three peaks from the blood sample of a child was analysed further. Quantitative polymerase chain reaction (QPCR) and STR typing of the DNAs of the family trio revealed a large (>1.59 Mb) duplication flanking the TPOX-locus in chromosome 2 in both the mother and child. The implications of such genetic anomalies for paternity testing are discussed.     

Multi–organisational implementation: A challenge for empirical research and modelling

The tentative evidence which has emerged from multi–organisational implementation processing has had little impact on explanatory theoretical frameworks. The literature uses 'top–down' and 'bottom–up' models as if they were totally discrete ways of examining the institutionalisation of an implementation process. However, actual processes tend to fall somewhere between these two extremes. In this paper, I consider why this might be the case and suggest that there are ways of solving the theoretical dilemmas which prevent a comprehensive analysis of implementation processing. Using evidence from a recently completed case study of the implementation of environmental health–care in Finland, I suggest that the evidence of an interplay between the mandated implementors and others, be they public or private agents, may be an indication of an effective method of coping with these issues.     

Reviews

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Explaining Social Class Inequality in Voter Turnout: The Contribution of Income and Health

Occupation‐based social class is an important, yet under‐explored, factor in electoral participation. In this article, social class differences in voter turnout over time are measured, and how two other resources – namely income and health – mediate or modify this relationship is analysed. The analysis is based on an individual‐level register‐based 11 percent sample of the entire electorate in the 1999 Finnish parliamentary elections, and secondarily on smaller register‐based samples in the 2012 presidential and municipal elections. Results show that income mediates part of the effects of social class on voting, while social class and utilised health indicators exert mainly independent effects on turnout. Social class differences remain largely stable in all income and hospital care groups, except that no differences between classes are observed among those most severely affected by health problems. Results are also mostly similar between those of working age and the older population, and between men and women, and remain stable over time and in different types of elections. The findings imply that social class should be taken account in theoretical and empirical models of turnout.     

Assessment of child witness statements using criteria-based content analysis (CBCA): The effects of age,verbal ability,and interviewer's emotional style

Abstract

The goal of the study was to determine what effects age, verbal ability (assessed with WISC-R Vocabulary), and interviewer's emotional style would have on the occurrence of Criteria-Based Content Analysis (CBCA) criteria. Children (N = 68) from three different age-groups (7–8, 10–11, and 13–14 years) made both a true and a false statement concerning a mildly traumatic event. The correct classification rate was 66%. Age and verbal ability were found to increase the occurrence of some of the CBCA criteria irrespective of the truthfulness of the statements. Also, different criteria differentiated between true and false statements in different age groups. Interviewer behaviour also affected the occurrence of the criteria. It is concluded that the CBCA should not be used in court proceedings in its present form.     

Who made the disclosure? Recorded discussions between children and caretakers suspecting child abuse

Within investigations of suspected child abuse, the child's account is often at the core of the judicial process. When analysing the child's account, it is therefore important to consider how parents may have discussed the suspected abuse prior to the official investigation. However, no studies up to the present time have investigated discussions in real cases where parents suspect that their children have been abused. We analysed a sample (N = 19) of recorded conversations between parents and their children, delivered to the police as evidence for alleged physical or sexual abuse. Analyses of the questions used and the information provided in the discussions showed that the parent's strategies when questioning their children were extremely leading and that in the majority of the cases, all new information was provided by the parents. In spite of this, the parents deemed the recorded conversations as records of the children's accounts. While the sample was small and likely to be unrepresentative of child abuse suspicions in general, the findings have important practical implications. The results indicate that when planning an interview in a case where the alleged abuse relies on what a child allegedly has told a parent, particular caution should be taken when referring to these conversations.