Investigator Tips

Behavior Symptom Analysis

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...

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...

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...

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...

July/August 2016 Investigator Tip

Aug 01, 2016

p> Over the last 14 years we have posted over 300 entries on our "What's New" page at www.reid.com. For the July/August Investigator Tip we have listed many of them that you...

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...

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 investigation...

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...

The Psychopathic Suspect

Mar 01, 2009

The Psychopathic Suspect

March-April, 2009

Imagine what it would be like to make everyday decisions without caring how your choices affected others and to live...

Evaluating Exaggeration Within a Response

Jan 01, 2009

During a recent congressional hearing a CEO of one of the big three auto makers was asked, "Isn't it true that you have been trying to sell your company for several...

The Role of a Subject's Attitudes in the Detection of Deception

Jul 01, 2007

Early in John Reid's career, he had a secretary named Mildred. In addition to typing and filing reports, Mildred scheduled appointments and greeted subjects as they entered the...

Catching A Suspect In A Lie: Not Always A Symptom Of Guilt

May 01, 2007

A skilled investigator learns to withhold certain inside information from a suspect during an interview in the hope that he can catch the suspect in a lie. For example, the suspect may...

Quoting Statements in an Open Account: Truthful or Deceptive?

Sep 01, 2006

Quoting Statements in an Open Account: Truthful or Deceptive?

September- October


During most interviews the investigator should develop an open, or narrative account from the subject. It is called an...

The Role of Motivation in Detection of Deception Research

Jul 01, 2006

Early reports on the accuracy of the polygraph technique were largely anecdotal. For example, if ten suspects were administered a polygraph examination on a particular crime and one of them failed and...

Common Errors in Evaluating a Suspect's Truthfulness Through Behavior Symptom Analysis

Dec 01, 2005

Over the years we have been consulted on cases in which an investigator was absolutely convinced that a particular suspect was lying when, in fact, the person was telling the...