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  • +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
  • +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
  • +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
  • +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
  • +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
  • +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
  • +1

    Understanding the Attorney-Client Privilege in Criminal Investigations

    Throughout history, the United States Judiciary has generally endeavored to balance the need for enforcement of law and criminal code against the broader goals society. While the maintenance of law and order is integral to the functioning of our society, so is the maintenance of trust between members of society who share certain personally or professionally intimate relationships, such as family ...
    Rated +1
  • +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
  • +1

    Juvenile Sexual Offenders: Continuous Research Needed

    Historically, sexual crimes differ from other incidents that law enforcement encounters in its investigatory efforts. Most incidents center on revenge, greed, fear, and hate. With these, although one doesn’t agree with actions, humankind tends to accept or understand the criminal intent somewhat, albeit emotional or planned factors. For years, the study of sexual crimes primarily examined adult behavior in an attempt ...
    Rated +1
  • +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
  • +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
  • +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
  • +1

    Investigator's Use of the Polygraph

    Increasing population growth, crime rates and new resistance to expansion of community services have all contributed to increased case loads for law enforcement. The polygraph, when properly used as an investigative tool to eliminate the wrongfully accused and identify the guilty, can provide the investigator with a more efficient and productive use of his case time. Unfortunately, misunderstanding and misuse as ...
    Rated +1
  • +1

    Try a Little P.A.S. in Your Interview

    The four step process of Practical Kinesic Interview & Interrogation® is orientation, narration, cross-examination and resolution. After the subject has presented their statement or alibi during the "narration" phase, the interviewer then takes the opportunity to address any incomplete answers or contradictions in the subject's statement as well as obvious conflict between the statement and forensic details. The "cross-examination" technique chosen ...
    Rated +1
  • +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
  • +1

    Too Many Choices - Creating Frustration in Interrogation

    If given the time, we could probably come up with a number of reasons a suspect won't confess, a hostile witness won't cooperate or why the victim won't disclose. If we then reviewed our "list" objectively we might find that we have placed a large portion of the blame on our subject and were partially if not fully blind to any ...
    Rated +1
  • +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
  • +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
  • +1

    Willingness to Repay Stolen Funds Not Always An Indication of Guilt

    During our basic interviewing and interrogation course, the point is made that during an interrogation a suspect’s willingness to reimburse a victim for stolen money or property is often tantamount to a confession. Under this circumstances, the suspect’s agreement to make restitution means two things. The first is that it represents a strong indication that the suspect is guilty of the ...
    Rated +1
  • +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
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