1 / 18

Criminal Psychology

Criminal Psychology. Chapter 4 Techniques of Criminal Investigation: Profiling, Psychological Autopsies, Hypnosis, and Lie Detection Talbot Kellogg Community College. Profiling. Is it an appropriate topic for Forensic Psychology? Is Clarice Starling typical? Maybe in Britain.

carter
Télécharger la présentation

Criminal Psychology

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Criminal Psychology Chapter 4 Techniques of Criminal Investigation: Profiling, Psychological Autopsies, Hypnosis, and Lie Detection Talbot Kellogg Community College

  2. Profiling • Is it an appropriate topic for Forensic Psychology? • Is Clarice Starling typical? Maybe in Britain. • What is Criminal Profiling? • It is an application of psychological principles to the legal field. • How is it different from Psychological/Personality Profiles? • PP attempts to typically identify problems or characteristics of one’s personality from information provided by the subject. • CP is the process by which one applies & assesses information from a crime in order to determine possible characteristics of the perpetrator.

  3. Minnesota Multiphasic Personality Inventory (MMPI - 2) High reliability and validity (LFK) Myers Briggs Personality Profile DiSC Tests Colors Personality Test House-Tree-Person California Personality Inventory Psychological/ Personality Profile

  4. Criminal Profile • No “one” agreed upon method. • John Douglas • Ohio v. Lowe “As a whole, the record reflects that Douglas’s opinion for the most part is based on the behavioral science of clinical psychology, an area in which he has no formal education, training or licensure… While we in no way trivialize the importance of his work in the field of crime detection, we do not find sufficient evidence… to qualify Douglas as an expert witness.” • Science or Art?

  5. Criminal Profiling • Three approaches • Prediction of Individual Behaviors (CIA) • Determining Common Characteristics – Developing a descriptive process for crime classification (Crime Classification Manual). • Extracting Specific Characteristics (FBI) • Modus Operandi – method/ mode of operation • CHANGES in order to assist in the perpetrator’s efficiency. • Signature – a reflection of the unique, personal aspects of the criminal act. • NEVER CHANGES – Part of why they commit the crime.

  6. Signature or M.O.? • A bank robber requires all bank patrons and employees to remove their clothes prior to leaving. • A bank robber requires all bank patrons and employees to remove their clothes. He then poses them and photographs them.

  7. Criminal Profiling • Three approaches • Prediction of Individual Behaviors (CIA) • Determining Common Characteristics – Developing a descriptive process for crime classification (Crime Classification Manual). • Extracting Specific Characteristics (FBI) • Modus Operandi – method/ mode of operation • CHANGES in order to assist in the perpetrator’s efficiency. • Signature – a reflection of the unique, personal aspects of the criminal act. • NEVER CHANGES – Part of why they commit the crime. • Organized v. Disorganized

  8. Organized v. Disorganized • Organized (nonsocial) Ted Bundy • Plan • Use restraints • Commit sexual acts with live victims • Emphasize control over the victim • Use a vehicle • Disorganized (asocial) • Leave a weapon at the scene of the crime • Reposition the dead body • Perform sexual acts with the dead body • Keep the dead body • Try to depersonalize the body • Not use a vehicle

  9. Ted Bundy • 1967 – Linda Healy • 1969 – Parentage • 1974 - Carol DeRonch • 1978 - 1979

  10. Criminal Profiling • Three approaches • Prediction of Individual Behaviors (CIA) • Determining Common Characteristics – Developing a descriptive process for crime classification (Crime Classification Manual). • Extracting Specific Characteristics (FBI) • Modus Operandi – method/ mode of operation • CHANGES in order to assist in the perpetrator’s efficiency. • Signature – a reflection of the unique, personal aspects of the criminal act. • NEVER CHANGES – Part of why they commit the crime. • Organized v. Disorganized • Serial v. Spree v. Mass VICAP

  11. Serial – Spree - Mass • Serial – Three or more separate events with a cooling-off period. Joseph Kallinger • Spree – Killings at two or more locations with no emotional cooling-off period. • Mass – More than three victims in one location and within one event. Charles Whitman

  12. Psychological Autopsies • An investigative method used by psychologists or other social scientists to help determine the mode of death in equivocal cases.

  13. e⋅quiv⋅o⋅cal •    /ɪˈkwɪvəkəl/ Show Spelled Pronunciation [i-kwiv-uh-kuhl] Show IPA Pronunciation –adjective 1. allowing the possibility of several different meanings, as a word or phrase, esp. with intent to deceive or misguide; susceptible of double interpretation; deliberately ambiguous: an equivocal answer. 2. of doubtful nature or character; questionable; dubious; suspicious: aliens of equivocal loyalty. 3. of uncertain significance; not determined: an equivocal attitude.

  14. Psychological Autopsies • An investigative method used by psychologists or other social scientists to help determine the mode of death in equivocal cases (i.e. determine the mode of death in questionable cases). • NASH classifications • Natural • Accidental • Suicidal • Homicidal

  15. Psychological Autopsy • Victim • 36 year old female • Mother of 2 children (ages 4 and 7) • Married to husband for 8 years • Circumstances • Fire department called by husband. • Husband claimed wife had been depressed for approximately 2 years and had been recently making suicidal comments. • Wife’s body was found on a couch, face down. • No note left. • Problems? The results can be equivocal as well.

  16. Hypnosis • Definition: An altered state of consciousness characterized by narrowed attention and increased suggestibility. • Hillside Strangler 1977 - 1978 • The case of Kenneth Bianchi • 10 women murdered, raped, tortured and strangled to death. • Bodies found on hillsides northeast of Los Angeles. • Under hypnosis displayed DID traits including an alter ego - Steve • Forensic expert in hypnosis cast doubt on this due to slight inconsistencies in his actions. • Problems? • Hypnotic susceptibility?

  17. Polygraphs • Lie Detector? • Measures Sympathetic Nervous System activation as an indicator of truth. • GSR • Blood Pressure • Heart Rate • Respirations • Control Question Technique • Problems? • False Positive (Classification of truth tellers as liars) • False Negatives (Classification of liars as truth tellers). • Admissibility

More Related