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  • +19

    Proactively Solving Homicides in Neighborhoods that Don’t Cooperate

    _Solving one homicide, arresting one killer, may prevent many deaths in neighborhoods prone to violence._ In high crime areas like New York City, Los Angeles, California, Newark, New Jersey, Gary, Indiana, Chicago, Illinois, and so many other violent prone cities across the US, it is often the rule rather than the rarity not to talk to the police when a murder ...
    Rated +19
  • +16

    The Psychopath As An Interrogation Subject

    One of if not the most challenging interviews or interrogations to conduct are that of the psychopath. Estimated by some experts to comprise about 7% of the world’s population, psychopaths make up approximately 55% of the U.S. prison population and are credited with committing roughly 80% of the violent crimes. The interview or interrogation of the psychopaths confirms that a standard ...
    Rated +16
  • +12

    Modus Operandi Vs. Offender Signature

    Many aspects of forensic psychology (behavior analysis) are used to identify suspect(s) of violent crime in modern police investigations. The two most basic aspects of measurable and identifiable criminal behavior in the field of forensic behavioral analysis are modus operandi (MO) and offender signature. In order to perform effective investigations of violent or serial crime, investigators should have a rudimentary understanding ...
    Rated +12
  • +8

    Visual Documentation in Crime Scene Investigations

    Visual Documentation in Crime Scene Investigations
    Upon arrival at a major crime scene, officers must have the ability to effectively multi-task utilizing what often amounts to be very limited resources. Supervising officers and investigators must work diligently and take steps in order to preserve the integrity of any evidence and the scene as a whole in order to facilitate an effective investigation as well as effective prosecution. ...
    Rated +8
  • +8

    Search and Seizure of Real Property

    Search and Seizure of Real Property
    There are many legal issues for law enforcement officers to contend with in regards to Search and Seizure of persons and property. In order to effectively understand search and seizure law and procedure, it’s important to have a basic understanding of related history and case law. Fundamental issues to consider when dealing with Search and Seizure include probable cause, search warrant ...
    Rated +8
  • +7

    An Investigator's First Step in Violent Offender Profiling

    An Investigator's First Step in Violent Offender Profiling
    Over the past few decades, the emergence of novels and movies such as “The Silence of the Lambs” has created the image in the public’s eyes of profilers being superhuman men and women capable of ungodly leaps of almost psychic intuition which lead to the magical capture of the villain. While (unfortunately) no such person exists, the science of criminal offender ...
    Rated +7
  • +6

    Cellular Phones/Digital Devices and Search Incident to Arrest

    *During a drug arrest, may the suspect’s phone be searched incident to his or her arrest and may that phone be searched back at the station?* Over the last ten to fifteen years, cellular telephones, pagers and other digital devices have become common items that are carried by just about everyone. Almost everyone has a cellular telephone. The purpose of this ...
    Rated +6
  • +5

    The Use of Trickery and Deceit During Interrogation

    During an interrogation, an investigator attempts to persuade a suspect to tell the truth, oftentimes to provide incriminating evidence that will be used in a subsequent prosecution. Further, interrogations are generally conducted in situations where there is insufficient evidence to assure a conviction and, in many cases, the suspect's actual guilt may not be 100% certain. If an investigator was required ...
    Rated +5
  • +4

    Contaminating a Subject’s Behavior

    When inferring deception from a suspect’s behavior, investigators must remember that a subject’s outward behaviors during questioning are not direct signs of lying. Rather, when a person lies behavior symptoms such as poor eye contact, stammering or foot bouncing are the product of underlying emotions associated with the fear of having the lie detected. These observation are called "symptoms" because none ...
    Rated +4
  • +4

    Seven Crime Scene Fundamentals

    Seven Crime Scene Fundamentals
    Crime scene protection is one of the basic, yet critical aspects, of field police work. Good crime scene practices enhance criminal investigations and, ultimately prosecutions. In this article, we explore seven aspects of crime scene protection that will improve your skills. What is a crime scene? If you ask most law enforcement professionals, they will likely tell you a crime scene ...
    Rated +4
  • +3

    Defensive Demeanor Profile

    All our individual behaviors are learned through the trial and error process from our life experiences. If a behavior is successful during a stress period, it’s likely it will be used again. If it fails, we adapt our behaviors to overcome the failed attempt to relieve stress. This unique cluster of stress response is what we call the “Defensive Demeanor Profile” ...
    Rated +3
  • +3

    Note Taking During an Interview

    When participants see video-taped interviews at our seminars, it is obvious that our interviewers take a written note following each response offered by a subject. The Reid Technique advocates active note taking during a structured interview for three reasons. First, taking a written note following each response slows down the pace of questioning. It is much easier to lie to a ...
    Rated +3
  • +3

    Want a Confession? Then Ask for It!

    In my consulting work I review many, many video taped or even audio taped interviews. Of course there are some great interviews and occasionally some not so good. There are also many cases when the interviewer does an excellent job of controlling the subject through the 5 stress response states and perfectly attacks a subject's deception. One area that always seems ...
    Rated +3
  • +3

    Over Prepared Interviews: Interrogator Paralysis

    Law Enforcement Interview & Interrogation articles and training There is nothing unusual at all about any investigative interviewer preparing extensively for an upcoming interview. There is really no situation that I can think of that I had too much information on hand when I went into the [interrogation] room. The danger may be however that we can become too obsessed with ...
    Rated +3
  • +2

    Consideration For an Investigator’s Attire

    The very first impression a subject forms of an investigator will be based on physical observations -- not only gender, race and body type, but also attire. The desired perception a subject should have is that the investigator is professional, intelligent, non-judgmental and trustworthy. Anyone who has found themselves in a social situation of being either under or over-dressed can appreciate ...
    Rated +2
  • +2

    The Role of Eye Contact During Interpersonal Communication

    When average people are asked about nonverbal communication, most will mention eye contact. The eyes are considered "the windows of the soul" and The Eagles warned that, "you can't hide your lying eyes." When Judge Judy detects possible deception, she admonishes the witness to look her in the eyes. Effective communicators learn not only how to read the meaning of another ...
    Rated +2
  • +2

    Verifying an Employment History During a Preemployment Interview

    It is well established that the best predictor of a job applicant's future behavior is that person's recent past behavior. This is particularly true with respect to their employment history. Has the applicant demonstrated good reliability with past employers? Do the applicant's past job duties and responsibilities qualify as the type of experience needed for the present position? Has the applicant ...
    Rated +2
  • +2

    Ecology and Police Management: Increasing Efficiency in Patrol Operations

    While traditional research into police social science has focused primarily on the immediate effects of police-citizen encounters, circumstances surrounding those encounters, and the effects of internal and external organizational factors on police action, Klinger’s (1997) theory on police discretion focuses on “linking police activity to the ecological context in which it occurs” (p. 278). This nontraditional approach opens the door to ...
    Rated +2
  • +1

    The Law of Citizen Contacts and Stop and Frisk

    Corrupt police officers, politicians, and government employees sometimes engage in corrupt activities, which generate large amounts of cash. The challenge for law enforcement authorities investigating this type of crime is to be able to prove the corrupt individual has a net worth that exceeds their legitimate explainable income. This can often be accomplished by a forensic audit of the target’s assets, ...
    Rated +1
  • +1

    Screening New Employees: Part II

    The importance of a face to face interview with a job applicant to evaluate their recent past behavior was emphasized in the last web tip. One reason employers are reluctant to ask probing questions during a preemployment interview is the fear of a subsequent law suit. This discussion will focus on legal aspects of preemployment screening and cost-effective strategies in making ...
    Rated +1
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