Sexually Motivated Crimes: Understanding the Profile of the Sex Offender and Applying Theory to Practice (Hardback) book cover

Sexually Motivated Crimes

Understanding the Profile of the Sex Offender and Applying Theory to Practice

By Janet R. Oliva

© 2013 – CRC Press

304 pages | 16 B/W Illus.

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Hardback: 9781439882559
pub: 2012-12-12
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pub: 2012-12-12
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In cases where minimal or no physical evidence exists, behavioralevidence may be all that investigators have available to help them focus the investigation. It may be the only aspect of the case that can link one unsolved case to another, or to numerous other unsolved cases. Sexually Motivated Crimes: Understanding the Profile of the Sex Offender and Applying Theory to Practice discusses the dynamics and behaviors associated with sex offenders and explains their direct application to both the criminal investigation and to society.

Content chapters include an introduction to the subject matter, a discussion of the existing research and literature regarding the issue, and an explanation of the topic’s importance and application through practical illustrations. These chapters are followed by actual case studies that illustrate practical application of the content. The book presents the foundational concepts of the nature of criminal sexuality and then explores:

  • The importance of recognizing nuisance offenses—commonly dismissed by police officers—as a precursor to more serious crimes of violence
  • Essential literature pertaining to rapists, including basic motivations, typologies, methods of approach, and levels of force, as well as the importance of a proper victim interview
  • The definition of sexual homicide and the dynamics between victims and offenders
  • Reasons why child sex offenders choose to offend children, and reasons children fail to disclose or delay in disclosing their abuse
  • The three components of child sexual exploitation: molestation, pornography, and prostitution

Written in an accessible style geared to police officers and practitioners, this volume builds and expands upon the existing literature, uses unique theories and perspectives derived from the author’s years of training and investigative experience, and provides clear and precise information that law enforcement officers can apply to their daily work.

Table of Contents


Sexually Motivated Offenses

Criminal Sexuality

Fantasy versus Reality

Behavior Reflects Personality

Crime Scene Analysis

Modus Operandi/Method of Operation

Sexual Ritual/Signature

Crime Scene Staging

From Theory to Practice

Case Study: The "Modeling Agent" Serial Rapist

Case Summaries

Incident No. 1

Incident No. 2

Incident No. 3

Incident No. 4

Incident No. 5

Incident No. 6

Incident No. 7

Incident No. 8

Criminal Investigative Analysis


Crime Assessment

The Nuisance Offender

Offender Progression






Sexual Masochism

Sexual Sadism

Transvestic Fetishism


Paraphilia Not Otherwise Specified

A Case Study

From Theory to Practice

Case Study: The Farmers Mill Sex Offender

The Incidents

Incident No. 1

Incident No. 2

Incident No. 3

Incident No. 4

Linkage Analysis

Behavioral Characteristics and Traits


Profile of the Rapist

Rapist Motivations



Rapist Methods of Approach

Con Approach

Blitz Approach

Surprise Approach

Rapist Levels of Force

Minimal Force

Moderate Force

Excessive Force

Brutal Force

Rapist Behavior

Pseudo-Unselfish Behavior

Selfish Behavior

Rapist Typologies

Power-Reassurance Rapist

Power-Assertive Rapist

Anger-Retaliatory Rapist

Anger-Excitation Rapist

Opportunistic Rape

Gang Rape

The Rape Victim

Victim Interview

False Allegations

Compliant Victims

From Theory to Practice

Case Study: The Water Bridge Rapists

Case Facts

Victim Interview

Evidence Searches and Seizures

Interview of Co-Defendant: Danny

Statements from Co-Defendant: Frankie (a.k.a. Chris)

Interview of Roommate

Conviction and Sentencing

Sexual Homicide


Assessment of Victim Risk

Victim Selection/Criteria

Organized/Disorganized Offender Dichotomy

The Organized Offender

The Disorganized Offender

Sadistic Homicide

Lust Murder

Homosexual Homicides

Homicide of the Elderly

From Theory to Practice

Case Study: The Mysterious Murder of the "Lady of the Night"


Postmortem Examination

External Injuries

Internal Injuries

Crime Assessment

Documentation of Events

Crime Scene Reconstruction

Offender Characteristics and Traits

Post-Offense Behavior


Profile of the Child Sex Offender

Child Sexual Abuse

The Perfect Victims


Multidisciplinary Investigative Team Approach

Child Sex Offenders

Child Sex Offender Typologies

Child Erotica and Sexual Paraphernalia

From Theory to Practice

Case Study: The Molester in Troop No. 357

Case Facts

The Victims and Witnesses

The Offender

Missing and Exploited Children

Sexual Exploitation of Children

Child Molestation

Child Pornography

Child Prostitution

Internet Crimes Against Children Task Force Program

Child Abduction and Homicide

Runaway Children and Youth

Family/Nonfamily Abductions

National Center for Missing & Exploited Children

From Theory to Practice

Westley Allan Dodd

Case Study: The Bizarre Case of the "Pockmarked" Abductor

The Abductions

In-State Abductions

Out-of-State Abductions

Task Force Investigation

Identification of Suspect: Colbert Holiday

Crime Laboratory Results

Case Disposition


About the Author

Janet R. Oliva, Ph.D., is a retired inspector and behavioral scientist for the Georgia Bureau of Investigation (GBI). During her tenure with the GBI, Oliva was considered the state’s leading child abuse expert. Committed to educating public safety officers, Dr. Oliva developed and taught numerous law enforcement training programs on sexually motivated crimes and crisis intervention.

Subject Categories

BISAC Subject Codes/Headings:
LAW / Criminal Law / General
LAW / Forensic Science