What Propels Sexual Homicide Offenders?
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University of South Florida Scholar Commons Graduate Theses and Dissertations Graduate School January 2012 What Propels Sexual Homicide Offenders? Testing an Integrated Theory of Social Learning and Routine Activities Theories Heng Choon Chan University of South Florida, [email protected] Follow this and additional works at: http://scholarcommons.usf.edu/etd Part of the American Studies Commons, Criminology and Criminal Justice Commons, and the Psychology Commons Scholar Commons Citation Chan, Heng Choon, "What Propels Sexual Homicide Offenders? Testing an Integrated Theory of Social Learning and Routine Activities Theories" (2012). Graduate Theses and Dissertations. http://scholarcommons.usf.edu/etd/4002 This Dissertation is brought to you for free and open access by the Graduate School at Scholar Commons. It has been accepted for inclusion in Graduate Theses and Dissertations by an authorized administrator of Scholar Commons. For more information, please contact [email protected]. What Propels Sexual Homicide Offenders? Testing an Integrated Theory of Social Learning and Routine Activities Theories by Heng Choon (Oliver) Chan A dissertation submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy Department of Criminology College of Behavioral and Community Sciences University of South Florida Major Professor: Kathleen M. Heide, Ph.D. Shayne Jones, Ph.D. Wesley G. Jennings, Ph.D. Eric Beauregard, Ph.D. Wade C. Myers, M.D. Date of Approval: April 10, 2012 Keywords: sexual murder, sexual murderer, social learning theory, routine activities theory, offending process in sexual homicide Copyright © 2012, Heng Choon (Oliver) Chan Dedication This dissertation is dedicated to my mom, dad, and three elder sisters for their unwavering and unconditional love and support throughout my academic quest. I ought to express my deepest gratitude to them. They have taught me so much, particularly, to have faith in myself no matter how difficult and challenging the circumstances have brought into my life. Certainly, to my beloved fiancée and soon to be my wife in approximately four months, Courtney, who is also my soul mate for life: Your love, support, and encouragement given to me over the years have provided me strength and determination to continue my journey. Acknowledgements This dissertation could not have been completed without the assistance and support from many talented and exceptional individuals. Therefore, I would like to take this opportunity to acknowledge and thank my Major Professor and each of my dissertation committee members for their generous gift of time, meticulous and critical review of my dissertation drafts, perceptive and constructive suggestions and recommendations, and sending words of encouragement at the most opportune moments. Without these contributions, this dissertation would not have been possible. First, my sincerest thanks to my Major Professor and mentor-for-life, Dr. Kathleen M. Heide for her continuous support and guidance throughout this process. I am greatly indebted to her. In the course of this long journey of my academic quest at the University of South Florida (USF), Dr. Heide has generously extended tremendous academic opportunities, intellectual insights, and encouragement throughout these years. Undoubtedly, her belief in me to excel academically and professionally is my primary driving force. In addition, I am also deeply indebted to Dr. Eric Beauregard for his generosity and enthusiastic support of my research, and among others, by sharing his invaluable dataset for the completion of my dissertation research. Both Dr. Heide and Dr. Beauregard’s overwhelming support in my pursuit of once-only-a-dream doctoral education can be dated back to my initial conference call with them remotely in Malaysia five years ago. Their moral support is sincerely appreciated especially during my down times a couple of years ago. I would also like to express my gratitude to the well-recognized forensic psychiatrist, Dr. Wade C. Myers, for his insightful commentary and meaningful suggestions throughout every stage of this dissertation. Most importantly, my sincerest thanks for his inspiration and belief in me to excel in the field of sexual homicide study. His selflessness of his time and intellect has never ceased to inspire and challenge me throughout these years. To Dr. Shaynes Jones and Dr. Wesley G. Jennings: Thank you for your critical commentary and particularly concerning the appropriate utilization of quantitative methods and analyses. I would also like to thank Dr. Lorie A. Fridell, Autumn Frei, Brian Sellers, Erin Mulligan, Rhissa Briones Robinson, and Samira Kulsum for their friendship and support. Perhaps most importantly, I am deeply indebted to the donors of the USF’s Asian Criminology Scholarship for their willingness and generosity to financially support me throughout my doctoral education years. Table of Contents List of Tables ................................................................................................................ iv List of Figures ................................................................................................................ v ABSTRACT .................................................................................................................. vi Chapter One: Introduction ............................................................................................. 1 Purpose and Significance of the Study ....................................................................... 2 Composition of the Chapters ...................................................................................... 3 Chapter Two: Sexual Homicide: An Overview of the Phenomenon ............................. 7 The Definition and Classification Dilemma............................................................... 8 Understanding of Sexual Homicide from a Homicidal Perspective ........................ 10 A Comparison of Homicidal and Non-homicidal Sexual Offenders .................... 11 Concluding Remarks of the Chapter ........................................................................ 26 Chapter Three: Theoretical Models of Sexual Homicide ............................................ 27 The Motivational Model........................................................................................... 27 The Trauma-Control Model ..................................................................................... 34 The Paraphilic Model ............................................................................................... 38 The Criminal Event Perspective Model ................................................................... 46 Concluding Remarks of the Chapter ........................................................................ 49 Chapter Four: A Criminologically-Oriented Integrative Theoretical Model of the Offending Perspective of Sexual Homicide ........................................................... 51 Social Learning Theory ............................................................................................ 51 Sexual Violence and Sex-Related Offenses: A Social Learning Theory Perspective ............................................................................................................ 54 Routine Activities Theory ........................................................................................ 57 Sex-Related Offenses: A Routine Activities Theory Perspective ........................ 61 Single Theory Explanations of Sexual Homicide .................................................... 63 Explanations of Sexual Homicide from the Social Learning Perspective ............ 66 Explanations of Sexual Homicide from the Routine Activities Perspective ........ 71 Limitations of Single Theory Explanations of Sexual Homicide ......................... 74 Chan et al.’s Integrated Theory of the Offending Perspective of Sexual Homicide .................................................................................................................. 75 i The Present Study: Understanding of the Offending Perspective of Sexual Homicide using an Integrative Explanation ............................................................. 78 A Proposed Alternative Integrative Theoretical Model ....................................... 79 Hypotheses............................................................................................................ 80 A Test of the Proposed Alternative Integrative Theoretical Model ..................... 83 Chapter Five: Methods ................................................................................................. 85 Study Sample and Data Collection Procedures ........................................................ 85 Subjects ................................................................................................................. 85 Procedures Used by the Original Research Team ................................................ 87 Measures................................................................................................................... 88 Scale 1: A Motivated Offender ............................................................................. 89 Scale 2: An Attractive and Suitable Target .......................................................... 92 Scale 3: An Absence of a Capable Guardian or Guardianship ............................. 93 Scale 4: Pre-Crime Precipitating Factors .............................................................