Investigator Tips

Current Investigator Tip

Parental Abuse Interviews in Human Trafficking Investigations

Feb 03, 2021


Among the interviewing challenges faced by human trafficking investigators is the issue of parental abuse of a trafficking victim. How does an investigator approach this topic?

When suspicion arises that the...

Previous Tips

The Use of the Baiting Technique

Jan 11, 2021

November / December 2020 (click here for printable version)

(Please Note: If you wish to print and share an Investigator Tip with your colleagues, the John E. Reid 'credit and permission'...

25 Reid Video Tips

Jan 11, 2021


September October 2020 Investigator Tip

The September/October 2020 Investigator Tip provides you with links to 25 brief video presentations from our YouTube channel - The Reid Technique Tips, that...

The foundation for all efffective interrogation techniques - projection and rationalization

Jan 11, 2021

As a youngster we have all had the experience of hitting one of our siblings, and then when questioned by our parents we justified our actions by saying, “he hit me first.”...

What questions should I ask during the investigative interview?

May 26, 2020

What questions should I ask during the investigative interview?


In an effort to assist investigators in determining the type of investigative and behavior provoking questions to ask during an interview, as...

Telephone Interviewing Techniques Part Two

Mar 01, 2020

March/April 2020 (click here for printable version)

(Please Note: If you wish to print and share an Investigator Tip with your colleagues, the John E. Reid 'credit and permission' statement following...

Telephone Interviewing Techniques Part One

Jan 01, 2020

Telephone Interviewing Techniques Part One

Certainly the ideal circumstance for an investigative interview is a face-to-face meeting with the subject. However, due to a variety of factors, it is becoming more and more...

Personality Disorders

Sep 01, 2019

(This Investigator Tip consists of selections from a chapter in our book, The Investigator Anthology)

Part One

While both psychologically healthy and psychologically impaired individuals can be guilty of a crime, in...

What Questions Should be Asked to Determine the Voluntariness and Validity of a Subject’s Confession?

Aug 01, 2019

While there are numerous issues to consider in the process of evaluating the voluntariness and validity of a subject’s confession, the following questions may be helpful in making such an assessment.

The...

Direct questioning and its role in counterintelligence investigations

Jul 15, 2019

Reprinted with permission from Blue line magazine; written by Philip A. Mullenix

While driven by logic, direct questioning is an art-form that requires creative thought and methodical application

Counterintelligence agents and counterpart law...

The Non-Confrontational Approach

Apr 16, 2019

The Non-Confrontational Interview

John E. Reid and his colleague, Northwestern Professor of Law Fred E. Inbau, developed the non-confrontational interview as an integral part of any questioning of a subject in...

The Hillen Credibility Factors

Mar 01, 2019


Several government agencies use the Hillen Credibility Factors to help their investigators and decision makers assess the veracity and credibility of a subject’s statement, particularly in instances where there is one...

The Forensic Experiential Trauma Interview (FETI)

Jan 01, 2019

Research has demonstrated that brain functions and memory of victims of trauma, such as a sexual assault, are significantly affected by the event, and as a result, their behavior and statements may...

A Description of The Reid Technique

Nov 01, 2018

The Reid Technique is oftentimes just thought of and is frequently referred to as simply an interrogation process - it is much more than that. The Reid Technique is a structured interview...

Gang Crime Interrogation

Sep 01, 2018


Gang-related homicides and assaults are frequently motivated by revenge for acts committed by rival gangs against members of a suspect’s crew. Through effective theme development, an interrogator uses sound reasoning...

Human Trafficking Investigations: Interrogation Themes that Get Confessions

Jul 02, 2018

An astute investigator alert to the signs of human trafficking can launch a line of questioning designed to reveal the offender’s conduct

Human traffickers can abduct or lure susceptible individuals for many reasons...

The Value of Behavior Provoking Questions - A Case Study

May 01, 2018

The investigative interview process in the Reid Technique is called the Behavior Analysis Interview (BAI). The BAI consists of three types of questions: Initial Questions designed to develop biographical information, establish rapport...

Clarifying Misrepresentations About Law Enforcement Interrogation Techniques

Mar 01, 2018

Over the years social psychologists, defenses attorneys and some academicians have offered a number of criticisms of current law enforcement interrogation practices, and, in particular, the Reid Technique. Some of these criticisms...

What Words Should I Use When I start an Interrogation?

Jan 01, 2018

The flexibility and effectiveness of the Reid Technique of Interviewing and Interrogation is what makes it the most widely used investigative interviewing technique in the world.

The Reid Nine-Steps of...

Factual Analysis

Nov 01, 2017

Factual analysis can be defined as estimating the probability of a suspect's guilt or innocence based on investigative findings. Each investigator uses factual analysis to narrow the scope of suspects - to...

The Fundamental Foundation of THE REID TECHNIQUE OF INTERROGATION®: Empathy and Understanding

Sep 01, 2017

The Reid Technique consists of a three-phase process beginning with Fact Analysis, followed by the Behavior Analysis Interview (which is a non-accusatory interview designed to develop investigative and behavioral information), followed by...