Investigator Tips
Behavior Symptom Analysis
The Investigator's Workbook: Principles of Practice - How to Conduct Proper Interviews and Interrogations
Oct 13, 2025
Principles of Practice: How to Conduct Proper Investigative Interviews and Interrogations*
Since 1947, John E. Reid and Associates has been conducting investigative interviews and, when appropriate, interrogations.
Since the mid-1970s, we have...
Revisiting Misinformation About the Reid Technique
Sep 12, 2025
In the publication, “From Third-Degree To Third-Generation Interrogation Strategies: putting science into the art of criminal interviewing”, * there are several statements about the Reid Technique that require correction.
The author...
The Investigator's Notebook
Aug 31, 2025
The Investigator’s Notebook consists of over 190 Investigator Tips organized in a sequence that reflects the various stages of an investigation. Please feel free to share this information with your colleagues.
The Reid Behavior Analysis Interview: Part 1: Do the Case Facts and Evidence Support the Subject's Story? Part 2: The Interview Structure and the Value of Behavior Symptom Analysis
Aug 21, 2024
The Reid Behavior Analysis Interview
Part 1: Do the case facts and evidence support the subject’s story?
The most important element in evaluating a suspect’s potential culpability in committing a crime or...
The Reid Technique: International Research and the Value of Behavior Symptom Analysis
Apr 27, 2023
https://reid.com/admin/entries...Part One: International Research Validates the Core Elements of the Reid Technique
Over the years numerous international research studies have been conducted on the Reid Technique – here are a few that...
Over 50 Free Reid Video Presentations
Jan 24, 2022
Below you will find over 30 helpful video tips on our YouTube page now organized in 6 Playlists:
1. Who are We and What is The Reid Technique
About the...The Use of the Baiting Technique
Jan 11, 2021
November / December 2020
(Please Note: If you wish to print and share an Investigator Tip with your colleagues, the John E. Reid 'credit and permission' statement following the article...
Personality Disorders
Sep 01, 2019
(This Investigator Tip consists of selections from a chapter in our book, The Investigator Anthology)
While both psychologically healthy and psychologically impaired individuals can be guilty of a crime, in many...
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...
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...
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...
There is No Behavior Unique to Lying
May 01, 2016
People oftentimes associate specific behaviors with deception, such as lack of eye contact. But there are many reasons a person may not have eye contact with the individual whom they are speaking...
Addressing the Suspect's Behavior
Jan 01, 2014
It is human nature to cite a person's behavior as evidence to support some underlying premise. It is an enticing argument to state that because one exhibits an observable behavior it is...
The Importance of Context Within Behavior Symptom Analysis
Mar 01, 2012
Consider the following written note left for my son: "Ryan, call Mom's cell." If the note was written this year, he would dial her mobile phone number. However, if the note was...
Innocent Suspect’s Response to Interrogation
Jan 01, 2012
The process of interrogation is reserved for suspects whose guilt is reasonably certain. This assessment may be based on a combination of forensic or testimonial evidence implicating the suspect in the crime...
Word Games Deceptive Suspects Play
Nov 01, 2011
Properly socialized people do not enjoy lying. None of us invite the feelings of guilt, fear or anxiety associated with telling a lie. On the other hand, we also don't like to...
Good vs. Bad Liars
Sep 01, 2011
Earlier this year the nation was transfixed by the trial of Casey Anthony, a young woman accused of murdering her two-year-old daughter Caylee. During the course of the...
Using Baseline Behaviors to Establish "Truthful" Responses.
Sep 01, 2010
During our training seminars, participants have asked about the value of identifying a suspect's truthful behavior by asking questions to which it is known that the suspect is telling the...
Incongruous Behaviors
Sep 01, 2009
A fundamental principle of behavior symptom analysis is that truthful suspects send the same message on all three channels of communication.* Deceptive suspects may send different messages...
Behavior Symptom Analysis During Roadside Interviews
May 01, 2009
Many serious crimes have been solved as a result of a traffic stop or chance encounter with a police officer:* A vehicle is stopped for running a red light and it...