2 goals of interrogation
Obtain Confession or Info
3 stages of Reid Model
-Gather evidence
-Conduct non accusatorial interview to assess deception
-Conduct accusatorial interrogation for confession
Examples of 9 steps of third reid stage
Maximization and minimization
What is Maximization and minimization
categories of techniques in reid model
Micro expressions
VERY SHORT LEAKAGE OF of emotion
emotional leakage
cant hold back true feelings
Signs of deception
too much eye contact
slow speech, pauses, errors, high pitch
rigid and decreased hand gestures
less detail, not making sense,
vrij accuracy on detecting lies
67 truth
accuracy of professional lie catchers vary
truthfulness bias
tend to rely on wrong cues
Reid techniques:
flattery
playing suspects against each other
minimize
sympathize
suggest non criminal intent
exagerate seriousness of crime
problems of reid
Deception detection
Comprehension of legal rights
Investigator bias
False confessions
Mr big aspects
-Undercover officers
-Lure suspect into organized crime
-Get suspect to commit minor crimes
-Needs to be interviewed by the boss (“Mr. Big”)
-Confesses to something more serious (the crime under investigation)
types of false confessions
Voluntary
Coerced-compliant
Coerced-internalized
Coerced-Internalized False Confessions
-The confessor comes to believe they committed the crime
-Results from suggestive interrogations
-People suffering from brain impairments, extreme anxiety, or confusion may be more susceptible
goals of profiling
To prioritize suspects
To develop new lines of enquiry
To flush out offenders
To determine risk
To provide interrogation advice
2 types of profiling
deductive profiling and inductive
deductive profiling
Profiling an offender from evidence relating to that offender’s crimes
inductive profiling
Profiling an offender from what is known about other offenders who have committed similar (solved) crimes
inductive profiling
Profiling an offender from what is known about other offenders who have committed similar (solved) crimes
most widely known inductive profiling approach
organized disorganized model(FBI)
Example of organized behaviour
restraint on victim
vehicle use
little evidence
Example of disorganized behaviour
no restraints on victim
no vehicle
evidence left
characteristics of organized behavior
high iq
skilled occupation
maintains residence
characteristics of disorganized behavior
Low Iq
Unskilled occupation
no residence
