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Month: August 2017

Introducing Investigative Psychology

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What is Investigative Psychology?

Investigative psychology (IP) is a framework for the integration of a diverse range of aspects of psychology into all areas of criminal and civil investigation. It is concerned with all the forms of criminality that may be examined by the police, from arson and burglary to murder, rape or even terrorism. The discipline also extends to cover those areas of activity that require investigation but may not always be conventionally within the domain of police services. These may include matters such as insurance fraud, corruption, malicious fire setting, tax evasion or smuggling. Increasingly, issues of crowd control and public order are also being studied by investigative psychologists. The main concern is the ways in which criminal activities may be examined and understood in order for the detection of crime to be effective and for legal proceedings to be appropriate. As such, investigative psychology is concerned with psychological input to the full range of issues that relate to the

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Violent Crime In African American And White Neighborhoods: Is Poverty’s Detrimental Effect Race Specific?

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Abstract

The social disorganization and anomie perspectives generally suggest that poverty’s criminogenic effect is racially invariant. These perspectives imply that policies that alleviate economic deprivation will equally reduce rates of violent crime in neighborhoods that are predominately white and neighborhoods that are predominately black. In contrast, several social commentators have suggested that alleviating poverty will be a relatively ineffective crime reduction strategy in predominately black areas. Existing empirical research on this issue has been mostly at the city level, and almost entirely cross-sectional. The present study examines potential racial differences in the longitudinal relationship between neighborhood poverty and violent crime rates. We use iteratively reweighted least squares, a robust regression technique, to estimate racespecific effects for Cleveland census tracts, 1990-2000. The results are supportive of the racial invariance hypothesis. Reductions in neighborhood poverty appear to produce similar reductions in violent crime in white and black neighborhoods.

INTRODUCTION

Despite recent declines in street crime, the United States continues to have a very

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Criminological Theories: Introduction Evaluation and Applications

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Biological Theories

Terms

Autonomic Nervous System (ANS). Mednick’s theory that individuals who inherit a slower than normal autonomic nervous system learn to control aggressive or antisocial behavior slowly or not at all. This leads to increased violence and criminal activity.
Behavioral Genetics. This covers a range of theories in which a combination of genetics and the environment influence behavior.
Biological School. A view of crime, also referred to as biological positivism, that claims that criminal behavior is the result of biological or inborn defects or abnormalities. This view directly conflicts with classical criminology, which claims that criminal activity is the result of free will....
Biosocial Arousal Theory. This theory states that an individual’s level of arousal works in conjunction with the social environment. Those with low levels of arousal are less likely to learn appropriate ways to deal with aggression and violence and thus are more prone to commit crime.
Born Criminal. One of three criminal types identified by Lombroso. This type of criminal is the most dangerous, and can be identified through their stigmata or identifying characteristics.

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When Turnabout Is Fair Play: Character Evidence and Self-Defense in Homicide and Assault Cases

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INTRODUCTION

Debbie, a call girl, agrees to meet a new customer, Victor, at the Shady Acres Motel for dancing and a massage. They retire to a motel room, but once there, Victor demands an entirely different act from Debbie, one in which she does not want to participate. Debbie gathers her belongings and tries to leave, but Victor escalates his demands by becoming aggressive. He blocks the doorway, grabs Debbie’s blouse, and attempts to pull her towards him. She slaps him and scratches his cheek, causing him to break his grip on her blouse. He threatens to break her neck. She screams and retreats from him. He grabs a chair and swings it at her, barely missing her head. Debbie retreats again, this time to a corner of the room, across the bed from Victor. In a panic, she rummages through her purse and finds the switchblade she carries for self-defense. She pulls it out, waves it at him, and warns him to stay away.

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Criminal Profiling

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Criminal Profiling: The Original Mind Hunters

The FBI formed its Behavioral Science Unit in 1974 to study serial predators. Since then, the art and craft of criminal profiling have become the subject of numerous books, TV shows and iconic films such as The Silence of the Lambs.

Continuing the trend, the Netflix series Mindhunter explores the early efforts of the FBI to understand and profile serial killers. Mindhunter is based in part on the writings of best-selling author Mark Olshaker and legendary FBI profiler John Douglas.

John Douglas is one of several pioneering FBI agents, along with the late Robert Ressler and Roy Hazelwood, who essentially invented computer-based, modern-day criminal profiling in the 1980s.

What exactly is profiling?

Profiling, or criminal investigative analysis, as it is called by the FBI, involves the investigation of a crime with the hope of identifying the responsible party, based on crime scene analysis, investigative psychology and behavioral science.

Additional Reading... Criminal Profiling: The Original Mind Hunters

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Intimate Partner Stalking and Femicide: Urgent Implications for Women’s Safety

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INTRODUCTION

Stalking, as defined in the National Violence Against Women (NVAW) Survey, includes repeated (two or more) occasions of visual or physical proximity, nonconsensual communication, or verbal, written or implied threats that would cause fear in a reasonable person (Tjaden & Thoennes, 1998, 2000). Using this definition, the results of the NVAW telephone survey of 8000 U.S. women and 8000 U.S. men found 1% of the women and 0.4% of the men reported being stalked during the preceding 12 months. Eight per cent of these same women and 2% of the men reported life-long prevalence of stalking (Tjaden & Thoennes, 1998, 2000). The NVAW survey confirmed that most female victims know the stalker; strangers stalked only 23% of female victims. Overall, 62% of female victims were stalked by a current or former intimate partner, with 38% of the women reporting stalking by current or former husbands, 10% by current or former cohabiting partners, and 14% by current or former dates or boyfriends. Acquaintances

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Become a Problem Solving Crime Analyst

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Forward

You who read this manual are more important than perhaps you think. Crime analysts are not well-known to the general public. You don’t star in peak-time TV series or big-screen movies as do behavioural profilers or forensic scientists. Even some of your colleagues in the police aren’t sure what you’re about. But you are the new face of policing. For years the police have contented themselves with chasing individual crimes after they have taken place. Crimes have been regarded as episodes to be detected, and if they result in a conviction the case is thought to be ‘solved’. This is manifestly mad. So mad, in fact, it is astonishing that society hasn’t rumbled it, complained very loudly and demanded a smarter approach. Running after crooks relentlessly is too late, like catching the horse (if you’re lucky) after it has bolted for the hundredth time rather than learning how to lock the stable door. It is as though when aircraft

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Crime Scene Profiling

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Descriptions of crime scenes are sobering and often agonizing, but the crime scene like the one described above is atypical. Sexual murders are very rare, constituting from 1 to 3% of all homicides (Alison, West, & Goodwill, 2004), and homicides themselves are rare compared with other crimes. Nevertheless, we open with the above description from an actual case because it relates to concepts that will be discussed throughout the chapter. Steven Fortin was charged with the 1994 murder of Melissa Padilla. At the time of the charges, Fortin was serving a 20-year sentence for the aggravated sexual assault of a Maine state trooper, which occurred 8 months after the Padilla murder in New Jersey. Some of the details of the two crimes were similar. The Maine trooper who survived the crime was sexually assaulted and bitten, and her uniform pants were found with her underwear still inside them. Prosecutors in the New Jersey case wanted to introduce the expert testimony of a former special agent

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A Proposed FBIAddition to the FBI Criminal Classification Manual:

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Abstract

Behavioral data were located from 27 homicide cases in which fraud, a white-collar crime, occurred either prior to or contemporaneously with each homicide. The homicide cases in this study were classified as fraud-detection homicides because either white-collar criminals themselves, or assassins they hired, killed the individuals suspected of detecting their fraud. The white-collar criminals who committed murder were sub-classified as red-collar criminals. Both the descriptive homicide data and the literature review lend support to three overriding impressions: red-collar criminals harbor the requisite mens rea, or state of mind, to physically harm someone that may have detected, or is on the verge of detecting, their fraudulent behavior; the victim of a red-collar crime does not have to be someone who profiteered, aided, or abetted in the fraud; and red-collar criminals have a history of antisocial and psychopathic tendencies. Given these conclusions, advocacy for consideration of forensic accountants and fraud examiners as members of homicide investigation teams to assist in the development of a...

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Inference Structures For Crime Analysis And Intelligence: The Example Of Burglary Using Forensic Science Data

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Abstract

There has been much work dedicated to crime analysis and intelligence in recent times. Independently, physical evidence has shown great potential for linking crimes and bringing solid informative data through the increased use of multiple databases. However, their informative potential is still often underestimated and has been poorly integrated into police information systems. We propose a framework that fully introduces this data into an intelligence based system. This framework is built on the study of inference structures extracted from investigators’ every day implicit reasoning processes. Five specific inferences are studied with the particular problem of serial burglary investigation across independent police and legal structures. On the basis of such an analytical approach, a computer prototype has been designed; it has shown great promise and has resulted in several operational successes.  1999 Elsevier Science Ireland Ltd. All rights reserved.

1. Introduction

The investigation of serial crimes is a complex problem that can be viewed from a crime analysis, or crime pattern analysis

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A Methodology for Evaluating Geographic Profiling Software

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1. Introduction

This report describes a methodology for evaluating geographic profiling software. Following a brief overview of geographic profiling (Section 1.1), Section 1.2 describes how the methodology was developed. The key component of the methodology was convening an expert panel that met in August 2004; a summary and full transcript of the panel’s discussions are in Section 2 and the Appendix, respectively. The panel focused on four geographic profiling software applications, which are described in Section 3. The actual evaluation methodology is outlined in Section 4.

1.1. Background on Geographic Profiling

Geographic profiling is a criminal investigative technique that attempts to provide information on the likely “base of operations” of offenders thought to be committing serial crimes. The base of operations could be the offender’s home, place of employment, a friend house, or some other frequented location. The predictions are based on the locations of these crimes, other geographic information about the case and the suspect, and certain assumptions

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Criminal Profiling From Crime Scene Analysis

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Abstract

Describes the developing technique of criminal personality profiling. Such profiling will not identify the offender, but indicates the kind of person most likely to have committed a crime by focusing on personality characteristics. A basic premise is that the way persons think directs their behavior. The profiling process moves from input through a decision models stage considering the type and style of the crime. After further assessment, a generated profile is applied to the investigation. The profile is reviewed when the suspect is apprehended. Criminal personality profiling has proven to be a useful tool in law enforcement. (PsycINFO Database Record (c) 2016 APA, all rights reserved)

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Serving Survivors of Homicide Victims During Cold Case Investigations:

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INTRODUCTION

Statement of the Problem

Advancements in DNA technology and other forensic investigative tools have enabled law enforcement agencies to reopen cases left dormant for years. Although the number of cold cases investigated by agencies on a nationwide basis each year is currently not tracked, the Federal Bureau of Investigation (FBI) does track the number of offenses cleared. In 2009, 66.6 percent of the 13,242 murder and non-negligent manslaughter crimes in the United States were cleared by arrest or exceptional means.1 While this is a significant clearance rate, it leaves many homicides unsolved each year. In response to the advances in forensic technology, many law enforcement agencies have established cold case units with the hope that reexamining evidence will help solve more crimes. As cases are reopened, investigators are contacting survivors of homicide victims. Although survivors may be grateful that their loved one’s murder has renewed attention, the reopening of a case can sometimes have traumatic effects. As discussed in Section 4.1, “Training for Investigators,” survivors

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Multiple Victim Public Shootings

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Abstract

Few events obtain the same instant worldwide news coverage as multiple victim public shootings. These crimes allow us to study the alternative methods used to kill a large number of people (e.g., shootings versus bombings), marginal deterrence and the severity of the crime, substitutability of penalties, private versus public methods of deterrence and incapacitation, and whether attacks produce “copycats.” The criminals who commit these crimes are also fairly unusual, recent evidence suggests that about half of these criminals have received a “formal diagnosis of mental illness, often schizophrenia.” Yet, economists have not studied multiple victim shootings. Using data that extends until 1999 and includes the recent public school shootings, our results are surprising and dramatic. While arrest or conviction rates and the death penalty reduce “normal” murder rates and these attacks lead to new calls from more gun control, our results find that the only policy factor to have a consistently significant influence on multiple victim public shootings is the passage of

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