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Science-Based Interviewing: Free, Open-Access Research Every Investigator Should Know About
Science-Based Interviewing puts investigators back in control by grounding interviews in peer-reviewed research rather than intuition, tradition, or pseudoscientific lie detection. This article shows where to find open-access research on interviewing, interrogation, memory, deception, and false confessions—allowing investigators to read the evidence for themselves, verify claims, reduce investigative risk, and strengthen decision-making through transparent, evidence-based pra

Christian Cory
Jan 49 min read


Interrogation Techniques: A Historically Bad Idea, Scaring Suspects with a Skeleton
In 1930, inventor Helene Shelby patented a bizarre police interrogation device—a life-sized talking skeleton with glowing red eyes, designed to scare criminal suspects into confessing. Hidden cameras and microphones recorded the suspect’s reaction as the skeleton "spoke," creating what Shelby believed would be a foolproof confession tool. Though never used, this eerie interrogation tactic highlights a strange chapter in the history of confessions and coercive police technique

C. Edward
Nov 30, 202511 min read


Interview and Interrogation Training: America’s Outdated Playbook
Modern interview and interrogation training is failing because it still relies on accusatory methods, lie detection myths, and a confession-first mindset. Decades of research now show Science-Based Interviewing gathers more information, strengthens case integrity, reduces bias, and even increases confessions. It’s time to replace broken tools with evidence-based skills that actually uncover the truth.

Christian Cory
Nov 26, 20258 min read


5 Lessons I Wish I Knew Earlier About Interview and Interrogation
If I could go back and talk to my younger self as a new police officer, I'd have some words of advice: Slow down. Listen more. Police work is all about the interview (especially then!). When I started out, I wanted to chase and catch the bad guys. I wanted to clean up the mean streets and I was lucky enough to work in the same Patrol Bureau where I grew up. That meant something to me. If I am able to apprehend sufficient offenders and bring them into the county jail, I will h

Christian Cory
Oct 31, 20258 min read


Miranda v. Arizona: Why the Fifth Amendment Still Shapes Modern Interrogation
Miranda v. Arizona reshaped modern interrogation by recognizing that custodial questioning creates psychological pressure that can compel statements. The Supreme Court held that the Fifth Amendment requires suspects to be advised of their right to remain silent and to an attorney before custodial interrogation. These protections safeguard voluntary statements, reduce coercion, and preserve the integrity and reliability of evidence obtained during interviews.

C. Edward
Dec 12, 20244 min read


Detective Days: Exploring Wensley's Impact and Historical Significance in Criminal Investigation (Free eBook)
Frederick Porter Wensley’s career at Scotland Yard offers enduring lessons for modern Criminal Investigation. Long before formal models or buzzwords, Wensley understood that information is the lifeblood of every case. His success came from patience, careful listening, and respect for evidence, not tricks or rigid systems. That same philosophy underpins today’s science-based approach: gather reliable information, avoid contamination, and seek understanding before conclusions.

C. Edward
Oct 5, 20249 min read


Accusatorial vs. Science-Based Interviewing Techniques: Which Yields Better Results?
Science-Based Interviewing represents a decisive shift away from confession-driven interrogation toward information-driven investigations. Grounded in psychological science, SBI prioritizes higher-quality information, ethical evidence handling, and reduced investigative risk—without sacrificing confessions. As states move away from outdated accusatorial practices, science-based methods offer a more reliable, defensible, & future-ready approach for public and private sector in

C. Edward
Jul 23, 202413 min read


The Evolution of Active Listening: From Carl Rogers to Science-Based Interviewing
Active listening is a core skill taught across all IXI negotiation courses and a foundational component of science-based interviewing. In crisis negotiations, it is a life-preserving tool that helps negotiators identify emotions, values, and unmet needs behind demands. By reflecting feelings and summarizing concerns, conversations shift from confrontation to problem-solving without coercion.

C. Edward
May 21, 20243 min read


The High-Value Detainee Interrogation Group: History and Lessons from HIG Studies
The High-Value Detainee Interrogation Group (HIG) serves as a critical interagency effort within the U.S. government, bringing together intelligence professionals, operational interrogators, and academic researchers to advance the science and practice of interrogation. Established in 2009 under the direction of Barack Obama, the HIG was created to ensure that interrogation practices are effective, ethical, and grounded in empirical research. Since its creation, the HIG has su

C. Edward
May 20, 20245 min read


The Ultimate Glossary of Interview and Interrogation Terms for Law Enforcement Professionals
In the world of law enforcement, corporate investigations, and criminal investigations, the skills and strategies employed during interviews and interrogations are crucial for gathering reliable information and solving cases. This article presents an extensive glossary of terms, jargon, acronyms, and slang commonly used in these critical processes. It’s important to note that while some terms describe effective and ethically sound techniques, such as Science-Based Interviewin

C. Edward
May 14, 202425 min read


Interview and Interrogation: Supreme Court Cases Every Investigator Should Know
This article provides a practical reference to key U.S. Supreme Court (SCOTUS) cases that shape modern interviewing and interrogation. Rather than legal analysis, it offers short narratives explaining what happened in each case and why statements matter. Together, these decisions highlight concerns about custody, pressure, and voluntariness. Science-Based Interviewing aligns with this framework by prioritizing ethical, research-driven information gathering over coercive inter

C. Edward
Apr 26, 20247 min read


The Misinformation Effect: The Malleability of Human Memory and Investigative Interviewing
The misinformation effect shows how easily memory can be altered by post-event information, language, and suggestion. Research by Elizabeth Loftus demonstrates why Investigative Interviewing must avoid leading questions, premature evidence disclosure, and interviewer opinions. Science-based investigative interviewing practices protect memory integrity, reduce contamination, and ensure statements remain reliable, corroborated, and defensible in court.

C. Edward
Aug 6, 20234 min read


The Fifth Amendment and Interrogation: What Does Plead the Fifth Have to do With Self-Incrimination?
The Fifth Amendment to the U.S. Constitution protects against self-incrimination, double jeopardy, and deprivation of life, liberty, or property without due process. It also ensures grand jury indictments and fair compensation for property seized under eminent domain. These rights are crucial in criminal cases, especially during interrogation, where protections like Miranda warnings safeguard suspects from coercion and uphold justice.

C. Edward
May 7, 20234 min read


Investigative Interviewing for Investigators: The Science-Based Era
Science-based investigative interviewing is the modern standard for truth-seeking. Interviews remain the primary engine of information gathering, beginning with patrol and continuing through complex investigations. Rapport and active listening are not “soft skills” but high-stakes tools proven to increase cooperation and disclosure while reducing error. Great interviews discover evidence, expose contradictions, identify witnesses, and provide vital context. Information is the

C. Edward
Apr 29, 20235 min read


Brown v. Mississippi: A Landmark Case That Ended the Third Degree in Interrogation (1936)
Brown v. Mississippi marked a turning point: confessions obtained through brutal interrogation violate due process and are inadmissible.

Christian Cory
Nov 17, 20228 min read
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