abstract: The victim-offender overlap is a widely accepted empirical fact in criminology. While many methodological strategies have been used to study overlap, prior studies have assumed that it is uniform, taking little consideration into the potential differences within the overlap. The larger body of criminological research on pathways to crime suggests that victim-offenders also have variability in their victimization experiences and offending patterns. Not accounting for variation within the overlap has produced inconsistent findings in terms of establishing theoretical explanations for the victimization and offending relationship. Several general theories of crime have merit in their assumptions about the relationship between victimization and offending. Routine activity/lifestyle theory, low self-control theory, and general strain theory offer insight into the overlap. Variables derived from these three general theories are assessed to test their ability to explain a more complex conceptualization of the victim-offender overlap. Using data on 3,341 individuals drawn from four waves of the publically available National Longitudinal Study of Adolescent to Adult Health (Add Health), a latent class analysis establishes unique victim-offender overlap taxonomies. A multinomial logistic regression is conducted to test how well theoretically derived variables from three general theories (e.g., routine activity theory, low self-control theory, and general strain theory) predict membership in the unique victim-offender overlap taxonomies. Additional multinomial logistic regressions are run using a split sample analyses to test the invariance of the findings across different social groupings (e.g., gender and race/ethnicity). Comparing the more complex operationalization of the victim-offender overlap with the baseline regression models shows notable differences. For example, depression significantly predicts membership in the general victim-offender overlap group, but when taking into consideration variation within the overlap, depression does not consistently predict membership in all taxonomies. Similar results are found for routine activity/lifestyle theory and low self-control theory. Tests of invariance across gender and race/ethnicity highlight the need to consider how theoretical explanations of the victim-offender overlap differ based on social groupings. Males and females have unique risks and needs and these should be reflected in how routines and negative emotions are measured. The findings underscore the need to consider overlap when studying the relationship between victims and offenders. Implications for theory, future research, and policy are also discussed. / Dissertation/Thesis / Doctoral Dissertation Criminology and Criminal Justice 2018

abstract: Social learning theory has enjoyed decades of supportive research and has been applied to a wide range of criminal and deviant behavior. Still eluding criminological theorists, however, is a meaningful understanding of the causal processes underlying social learning. This lack of knowledge is due in part to a relative reluctance to examine value transmission as a process in the contexts of mentorship, role modeling, and social learning. With this empirical gap in mind, the present study seeks to isolate and classify meaningful themes in mentorship through loosely structured interviews with young men on the periphery of the criminal processing system. The purposive sample is drawn from youth in a Southwestern state, living in a state-funded, privately run group home for children of unfit, incarcerated, or deported/undocumented parents. The youth included in the study have recently passed the age of eighteen, and have elected to stay in the group home on a voluntary basis pending the completion of a High School diploma. Further, both the subjects and the researcher participate in a program which imparts mentorship through art projects, free expression, and ongoing, semi-structured exposure to prosocial adults. This study therefore provides a unique opportunity to explore qualitatively social learning concepts through the eyes of troubled youth, and to generate new lines of theory to facilitate the empirical testing of social learning as a process. Implications for future research are discussed. / Dissertation/Thesis / M.S. Criminology and Criminal Justice 2012

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Syftet med denna fallstudie har varit att, med hänsyn till rådande försämrat säkerhetsläge, granska hur anställda inom försvarsindustrin beskriver företags brottsutsatthet. Vidare har syftet varit att diskutera hur brottsutsattheten kan förklaras utifrån kriminologisk teori. Detta har gjorts med semistrukturerade intervjuer, där anställda inom försvarsindustrin varit intervjudeltagare. Intervjudatan relaterades sedan till rutinaktivitetsteorin samt strainteorin. Av studiens huvudresultat har det framgått att anställda på företag i försvarsindustrin upplevde att företagens brottsutsatthet i huvudsak bestod av verkstadsstölder, cyberbrott, IP-intrång samt otillåten informationsspridning. Denna brottsutsatthet kunde förklaras av rutinaktivitetsteorin i vissa fall, samt i kombination med strain i andra fall. Brottsutsattheten upplevdes ha ökat i samband med att landets säkerhetsläge försämrades samt det huvudsakliga företaget expanderade personellt. Studiens viktigaste slutsatser var att brottsutsattheten i stort upplevdes ha ökat gällande samtliga ovan nämnda brott, men att orsaken till ökningen skiljde sig åt och att endast för cyberbrott upplevdes det föreligga ett samband med säkerhetsläget. / This case study examined how defense industry employees perceive crimes against their companies, in the context of a deteriorating security situation. Semi-structured interviews were conducted with employees, and the data was analyzed in relation to routine activity theory and strain theory. The main findings show that employees perceived the companies' exposure to crime mainly as a result of workshop thefts, cybercrime, IP infringement, and unauthorized dissemination of information. This crime exposure can be explained by routine activity theory in some cases and strain theory in others. The crime exposure increased as the country's security situation deteriorated and the main company expanded its personnel. The most important conclusions of the study were that crime exposure was generally perceived to have increased for all the above-mentioned crimes, but that the reason for the increase differed and that only for cybercrime was there perceived to be a connection with the security situation.