The Digital Forensic Investigation Model developed by Eoghan Casey provides a structured approach to identifying, preserving, analyzing, and presenting digital evidence, ensuring integrity, reproducibility, and legal admissibility in investigations involving electronic devices and cyber-related activities.
Sometimes, in the context of prosecuting international crimes, the term “international criminal justice” is used. In terms of what this
This section introduces learners to the United Nations designation and targeted sanctions regimes against the Taliban, Al-Qaida, ISIL and affiliated
Let me start this piece with the generic truth that there are criminals all over the world. Some people are
Detecting perpetrators is based not only on the conduct of simple investigative activities, but requires specialized knowledge of the motive
Before I start to discuss the careers and opportunities in criminology, it would be most appropriate for me to explain
Criminals are very smart and if you are not productive, intelligent and experienced, you would end up being fooled in
The Follow-the-Money Model influenced by financial investigation practice traces the flow of funds across accounts, entities, and jurisdictions to uncover illicit activities, identify beneficiaries, establish evidential links, and support asset recovery, prosecution, and disruption of criminal financial networks.
Let me start this article without shying away from the truth that criminal behavior is often a difficult topic to
The Money Laundering Cycle Model influenced by the Financial Action Task Force describes the three stages of laundering—placement, layering, and integration—highlighting how illicit funds are introduced, concealed, and legitimized, guiding detection, compliance, and prevention strategies in financial investigations.
How a person behaves determines what they get out of their educational pursuit. A well-behaved child will always be focused
No matter the qualification, years of service and expertise of a teacher, there would still be some students in their
Duane Cloud notes that a child’s surroundings have an important impact on their well-being and development. That means that we
Most times when it comes to communication, especially in the educational sector, people tend to myopically conclude that emphasis should
Classroom management is a process, as well as a set of skills and strategies, that teachers and schools use to
Concerning the function of education, legendary Martin Luther King Jr. was quoted as saying thus: “to teach one to think
As a matter of fact, any teacher that doesn’t see his or herself as a role model to their students
To set the record very straight, formal education is not the only form of learning. This definition of education by
The Fraud Pentagon Model developed by Jonathan Marks builds on earlier models by incorporating pressure, opportunity, rationalization, capability, and arrogance, explaining how ego and power influence fraudulent behavior, supporting more comprehensive fraud risk assessment and prevention strategies.
Behavior of everyone is their driving force; it gives the direction through which their life must take per time. So,
Talking about behavior, I can easily conclude that it is who you are. However, that will look too vague for
This is perhaps the most difficult aspect of body language discourse to engage in. There is no agreement among scholars
The problem with most people in the world is not about “what” but “how”. I mean, people what to do
The Fraud Diamond Model developed by David T. Wolfe and Dana R. Hermanson extends the Fraud Triangle by adding capability, emphasizing that individuals must possess skills and position to exploit opportunities, enhancing fraud detection and prevention strategies.
There is no doubt that body language is a very complex concept. However, when approached professionally, it can be understood
If you think body language is meant theoretical discourses alone, you are greatly missing out. Body language is best understood
When people think they have known it all, body language will always expose them. That is, we can transmit messages
The Fraud Triangle Model developed by Donald R. Cressey explains fraud through three elements—pressure, opportunity, and rationalization—highlighting how individuals justify dishonest acts, guiding prevention strategies by reducing opportunities, addressing pressures, and strengthening ethical controls within organizations.
Effective border security and timely information-sharing at the national, regional, and international level are key in preventing the movement of terrorists
The Threat Assessment Model influenced by the United States Secret Service evaluates potential threats by analyzing behaviors, intent, capability, and risk factors, enabling early identification, intervention, and prevention of targeted violence through structured, intelligence-driven assessment processes.
The Risk Assessment Model influenced by International Organization for Standardization evaluates risks through identification, analysis, and evaluation processes, enabling organizations to understand threats, assess likelihood and impact, and implement appropriate mitigation strategies for informed, structured decision-making.
The Suspect Prioritization Matrix influenced by investigative practice ranks suspects using criteria such as motive, opportunity, capability, and evidence strength, enabling investigators to allocate resources effectively, focus inquiries, and systematically narrow down high-probability individuals in complex cases.
The Criminal Profiling Model developed by the FBI Behavioral Science Unit analyzes crime scene behavior, victimology, and patterns to infer offender characteristics, motivations, and traits, supporting investigative direction, suspect prioritization, and linkage of related crimes.
The Signature Analysis Model developed by John E. Douglas distinguishes an offender’s psychological “signature” from modus operandi, analyzing unique, repetitive behaviors driven by internal needs, helping investigators link crimes and understand underlying motivations and offender personality traits.
The Fishbone Model developed by Kaoru Ishikawa visually maps potential causes of a problem across categories such as people, process, materials, and environment, enabling systematic root cause analysis, structured thinking, and identification of contributing factors for effective problem-solving.
The Modus Operandi Analysis Model influenced by Hans Gross examines recurring methods, techniques, and procedures used by offenders, enabling investigators to identify patterns, link crimes, and anticipate offender behavior for effective investigative planning and crime prevention.
The Victimology Analysis Model developed by Stephen Schafer examines victim characteristics, lifestyle, and interactions to understand victim-offender relationships, identify risk factors, and provide insights that support investigative direction, crime reconstruction, and prevention strategies.
The Inductive Profiling Model influenced by the FBI Behavioral Science Unit uses statistical data, past case patterns, and offender typologies to infer likely characteristics, behaviors, and motivations, supporting investigative direction through generalized profiling and comparative analysis.
The Deductive Profiling Model developed by Brent E. Turvey relies on case-specific physical and behavioral evidence to infer offender characteristics through logical reasoning, emphasizing objectivity, reconstruction of events, and avoidance of generalized assumptions in criminal profiling.
The Behavioral Evidence Analysis developed by Brent E. Turvey applies deductive reasoning to physical and behavioral evidence, focusing on case-specific facts to reconstruct events, determine offender characteristics, and support objective, evidence-based investigative conclusions.
The Holmes & Holmes Serial Crime Typology developed by Ronald M. Holmes and Stephen T. Holmes classifies serial offenders into distinct types based on motivations and behaviors, aiding investigators in understanding offender patterns, profiling suspects, and guiding investigative strategies.
The Major Incident Room Model used by UK Police provides a structured framework for managing serious investigations, integrating HOLMES systems, information flow, task allocation, and documentation to ensure coordination, accountability, and efficient handling of major or complex cases.
The Incident Command System developed by Federal Emergency Management Agency and U.S. fire services provides a standardized, scalable structure for command, control, and coordination during incidents, enabling effective resource management, clear communication, and unified response across multiple agencies and jurisdictions.
The Case Management Model influenced by UK Policing Major Incident Room structures the systematic handling of investigations through information management, task allocation, documentation, and review processes, ensuring accountability, coordination, and efficient progression of complex cases from initiation to resolution.
The National Decision Model developed by the College of Policing provides a structured approach to decision-making, integrating information, risk assessment, powers, and ethical considerations to guide consistent, accountable, and proportionate actions in dynamic policing and investigative situations.
The Timeline Analysis Model influenced by forensic investigation practices organizes events chronologically to reconstruct incidents, identify gaps, detect inconsistencies, and establish sequences of actions, enabling investigators to understand case progression, corroborate evidence, and support accurate investigative conclusions.
The Link Analysis Model influenced by Anacapa Sciences and IBM i2 visualizes relationships between people, events, and entities, enabling investigators to identify networks, patterns, and hidden connections, supporting intelligence-led investigations and strategic decision-making.
The Rational Choice Theory developed by Derek Cornish and Ronald Clarke explains crime as a result of rational decision-making, where offenders weigh risks, rewards, and opportunities, guiding prevention strategies by increasing perceived effort, risks, and reducing potential benefits.
The Routine Activity Theory developed by Lawrence Cohen and Marcus Felson explains crime as occurring when a motivated offender, suitable target, and absence of capable guardians converge, highlighting situational factors influencing criminal opportunities and prevention strategies.
The Problem-Oriented Policing Model developed by Herman Goldstein focuses on identifying underlying crime problems, analyzing root causes, and implementing tailored responses using the SARA process, enabling sustainable crime reduction through proactive, analytical, and community-focused policing strategies.
The Intelligence-Led Policing Model developed by Jerry Ratcliffe focuses on using data analysis, intelligence gathering, and risk assessment to guide proactive policing strategies, prioritize resources, and target high-risk offenders, locations, and criminal networks for effective crime prevention and control.
The Crime Scene Analysis Model influenced by the FBI Behavioral Science Unit examines crime scene evidence, offender behavior, and modus operandi to infer psychological traits, motivations, and patterns, supporting offender profiling, investigative direction, and linkage of related crimes.
The Geographic Profiling Model developed by Kim Rossmo analyzes crime location patterns using spatial algorithms to predict an offender’s likely base, supporting investigative prioritization, resource allocation, and strategic decision-making in serial crime investigations.
The Investigative Psychology Model developed by David Canter applies psychological principles to analyze criminal behavior patterns, linking actions, locations, and offender characteristics to support profiling, investigative decision-making, and the systematic understanding of criminal conduct.
The Criteria-Based Content Analysis developed by Max Steller and Günter Köhnken evaluates statement credibility by analyzing qualitative content features, such as detail richness and contextual embedding, to distinguish truthful accounts from fabricated narratives in investigative settings.
The Statement Validity Assessment developed by Günter Köhnken evaluates the truthfulness of statements using criteria-based content analysis, reality monitoring, and validity checks, helping investigators distinguish genuine accounts from fabricated ones through systematic, evidence-based assessment methods.
The Enhanced Cognitive Interview developed by Edward Geiselman builds on cognitive principles by incorporating rapport-building, context reinstatement, varied recall, and communication control to improve witness memory accuracy, detail, and completeness while minimizing suggestibility and interviewer bias.
The Free Recall Model influenced by Endel Tulving emphasizes allowing individuals to narrate events freely without interruption, enhancing memory retrieval, reducing interviewer bias, and improving the accuracy, detail, and authenticity of information obtained during interviews.
The Wicklander-Zulawski Method developed by Douglas E. Wicklander and David E. Zulawski promotes rapport-based, non-accusatory interviewing, leveraging behavioral cues and strategic persuasion to obtain reliable information while minimizing resistance, coercion, and risks of false confessions.
The Grano Interview Model influenced by Fred E. Inbau, John E. Reid, and Joseph P. Buckley integrates structured questioning, behavioral assessment, and psychological techniques, aiming to guide interviews toward eliciting truthful disclosures while maintaining control and investigative direction.
The Strategic Use of Evidence Model developed by Pär Anders Granhag and Leif A. Strömwall emphasizes withholding and gradually disclosing evidence to elicit inconsistencies, enhance deception detection, and improve the accuracy of suspect interviews through strategic questioning.
Discovering Body Language (DBL) is a comprehensive, structured guide designed to help readers master the art and science of non-verbal communication in real-world settings.
The Behavioral Analysis Interview developed by John E. Reid & Associates is a non-accusatory interviewing process used to assess credibility through behavioral cues, verbal responses, and baseline comparisons, helping investigators determine truthfulness and decide whether further interrogation is warranted.
The SCAN Technique developed by Avinoam Sapir analyzes written or verbal statements for linguistic cues, changes in language patterns, and psychological indicators to detect deception, reveal missing information, and guide investigators in targeted, effective follow-up questioning.
The Forensic Statement Analysis developed by Avinoam Sapir examines linguistic patterns, word choice, and statement structure to assess credibility, identify deception indicators, and uncover concealed information, supporting investigators in evaluating truthfulness and guiding follow-up questioning strategies.
The Conversation Management Model developed by Eric Shepherd focuses on structured, ethical dialogue through rapport-building, active listening, and strategic questioning, enabling investigators to gather reliable information while maintaining professionalism, transparency, and cooperation during investigative interviews.
The Cognitive Interview Model developed by Ronald Fisher and Edward Geiselman enhances witness memory recall through context reinstatement, varied retrieval techniques, and open-ended questioning, improving accuracy, detail, and completeness of investigative information without leading or coercion.
The Kinesic Interview Technique developed by Stan B. Walters focuses on interpreting body language, gestures, and non-verbal cues to assess credibility, detect deception, and guide questioning strategies during investigative interviews, enhancing observational accuracy and interviewer effectiveness.
The Reid Technique developed by John E. Reid is a structured, accusatory interrogation method focusing on behavioral analysis, psychological strategies, and confession-oriented questioning, widely used in law enforcement but criticized for risks of false confessions.
The PEACE Model developed by Eric Shepherd emphasizes ethical, non-coercive interviewing through structured stages—Planning, Engage, Account, Closure, and Evaluation—promoting accurate information gathering, rapport-building, and fairness while minimizing false confessions and enhancing investigative reliability.
Eyes to Spot Liars is a practical, intelligence-driven guide that equips law enforcement officers, investigators, security personnel, and interviewers with the skills needed to detect deception in high-stakes situations. Criminals rarely succeed through force alone; they succeed through carefully constructed lies, delivered with confidence and blended with fragments of truth. This book trains readers to see beyond surface-level narratives and uncover deception through disciplined observation and analysis.
What Every Criminal Body Says is a practical, intelligence-driven guide designed to help law enforcement officers, investigators, security professionals, and frontline officers understand criminal intent through non-verbal behaviour.
Encyclopedia of Body Language is a definitive, field-tested guide to understanding human behaviour through non-verbal communication. Drawing on decades of real-world experience in law enforcement, security operations, training, and behavioural analysis, this book decodes what people truly communicate—often unconsciously—through their body movements, facial expressions, posture, gestures, and physical reactions.
Crazy Relationship is a practical, reality-based guide designed for individuals who suspect infidelity and want clarity without panic, denial, or emotional self-destruction.
