Hypnosis

Shivi Forensics
Topic: Hypnosis
Written By 
Lithika S 
Volunteer, Shivi Forensics 

Introduction 
Forensic hypnosis is the application and management of the science of hypnosis in criminal and civil investigations. The primary objective of forensic hypnosis is to enhance the recall of volunteer victims and witnesses to crimes and civil actions. Forensic hypnosis will be used interchangeably with investigative hypnosis and hypno-investigation
“A state of consciousness involving focused attention and reduced peripheral awareness, characterized by an enhanced capacity for response to suggestion.” American Psychological Association (APA)

Relevance to Deception Detection
Hypnosis is primarily used in deception detection for:
• Memory retrieval of witnesses or victims.
• Analyzing behavioral and verbal responses of suspects under hypnosis.
• Identifying truthfulness or fabricated stories through hypnotic regression.
Hypnosis is not a lie detector, but a memory and behavior analysis tool.

 Techniques Used
a. Hypnotic Interview / Forensic Hypnosis
• Conducted by a trained forensic psychologist or hypnotist.
• Helps witnesses or victims recover details they might have forgotten due to trauma, stress, or time lapse.
• Can sometimes identify contradictions in the accounts of suspects.
b. Hypnotic Regression
• Regresses a person to the time of the event.
• Helps to retrieve hidden or suppressed memories.
• Useful for victims of trauma or crimes with emotional repression.
c. Truth Induction Under Hypnosis
• Hypnosis may reduce resistance to truth-telling.
• Sometimes used to observe involuntary cues like body language or emotional reactions when discussing deceptive content.

 Indicators of Deception Under Hypnosis
While under hypnosis, a deceptive person might:
• Struggle to maintain a consistent narrative.
• Show signs of stress or anxiety.
• Display micro-expressions or vocal inconsistencies.
• Have difficulty fabricating detailed, sensory-rich experiences.

Advantages of Hypnosis in Deception Detection
• Can enhance memory recall in cooperative individuals.
• May help identify truthful vs. fabricated statements.
• Useful in trauma cases where memories are suppressed.
• Non-invasive and does not require physical equipment.

Limitations:
• Reliability is questionable; subjects are highly suggestible and may confound reality with imagination, leading to "honest liars" or false memory formation.
• Evidence from hypnosis is generally inadmissible in court and regarded as hearsay, not factual proof.
• Risk of testimony contamination by external cues or internal prejudice, especially with leading questions.

Legal and Ethical Considerations
• Admissibility: Hypnotically obtained evidence is widely considered unreliable and often inadmissible in courts; only subsequent corroborated evidence is valid.
• Ethics: Use with caution, never as a stand-alone deception detector, and strictly for generating investigative leads with robust follow-up.

Read 
Part 1 Brain Electrical Oscillation Signatures (BEOS)

Part 3 Polygraph (Lie Detector) Tests

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