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Manipulative Underspecification -a Powerful Manipulative Technique Used by Scammers

Manipulative Underspecification

A Powerful Manipulation Technique Used by Scammers

Manipulative Underspecification: A Tactic of Psychological Manipulation and Control

Psychology of Scams / Manipulation – A SCARS Institute Insight

Author:
•  Tim McGuinness, Ph.D., DFin, MCPO, MAnth – Anthropologist, Scientist, Director of the Society of Citizens Against Relationship Scams Inc.
See Author Biographies Below

Article Abstract

Manipulative underspecification is a psychological manipulation tactic that thrives on vagueness, emotional bait, and the human need to find meaning in incomplete information. By deliberately withholding specifics, scammers and manipulators allow victims to imagine their own version of the truth—often shaped by hope, loneliness, or emotional longing. In romance and pig butchering scams, this technique sustains the illusion of connection and trust while avoiding any real commitment, timeline, or verifiable fact. The victim becomes emotionally invested in a narrative they unknowingly constructed from suggestions rather than facts. As clarification is continually postponed or punished, victims suppress doubts and deepen their dependence on the manipulator. The key to breaking free from this form of control is learning to recognize the signs: repeated vagueness, emotional promises without substance, and deflection when questioned. Once this pattern is understood, victims can begin to rebuild critical thinking, restore trust in their own judgment, and set boundaries that protect against future manipulation. Recognizing that the scammer never truly said what the victim believed can be painful, but it is also the first real step toward recovery.

Manipulative Underspecification - a Powerful Manipulative Technique Used by Scammers - 2025

Manipulative Underspecification: A Tactic of Psychological Manipulation and Control

Manipulative Underspecification is a deceptive communication technique used to exert control over others by deliberately withholding clarity. It operates through ambiguity, selectively vague language, and emotionally suggestive phrases that prompt the listener or victim to fill in the missing information based on their own hopes, assumptions, or emotional needs. This tactic is not accidental. It is a calculated form of psychological manipulation that functions by keeping the target confused, emotionally engaged, and dependent on the manipulator for validation or direction.

This tactic is found in many harmful environments, including romance scams, pig butchering crypto scams, emotionally abusive relationships, cult dynamics, workplace bullying, political propaganda, and exploitative marketing. In scams, particularly relationship-based frauds, manipulative underspecification plays a central role in sustaining the illusion of connection, sincerity, and shared goals. Victims are not given specific truths. Instead, they are offered fragments of meaning wrapped in emotional bait, which they interpret favorably until the truth becomes impossible to ignore.

How Manipulative Underspecification Operates

The human brain is fundamentally uncomfortable with ambiguity. It seeks meaning, closure, and coherence. When presented with incomplete information, the mind will attempt to fill in the blanks with the most plausible or emotionally satisfying narrative available. Manipulative underspecification is a tactic that deliberately exploits this cognitive tendency. It works by offering language that is open-ended, emotionally charged, and intentionally vague, inviting the other person to construct meaning in ways that serve the manipulator’s goals.

In the context of relationship scams—such as romance scams or pig-butchering crypto investment scams—manipulative underspecification is used to keep the victim emotionally engaged without granting them clarity. A scammer might say something like, “We have a future together,” without specifying what that future includes, when it begins, or what it requires. That single vague statement leaves enough room for the victim to project their own vision. They imagine marriage, travel, shared financial goals, or emotional partnership. None of these things have been stated explicitly, and yet they become internalized expectations. When those imagined milestones fail to materialize, the manipulator can easily deny any responsibility. After all, they never said those exact things. The result is confusion without the obvious appearance of deceit.

This tactic is powerful because it creates what feels like intimacy without requiring substance. The scammer offers words that imply emotional investment, but they do not define the relationship in actionable or verifiable terms. They avoid specifics about plans, commitments, or timelines. Instead, they rely on general sentiments, such as “I’m doing this all for us,” or “Just a little more patience and it will all work out.” These phrases sound emotionally meaningful but are structurally hollow. Their purpose is to generate continued emotional buy-in without providing anything that can be measured or tested.

When a victim seeks clarification, they rarely receive a straight answer. Instead, they encounter stalling, redirection, or criticism. The manipulator may respond with irritation, suggesting that the victim’s questions are a sign of distrust. They may frame the inquiry as selfish, paranoid, or emotionally harmful. For example, they may say, “Why do you always doubt me?” or “If you loved me, you wouldn’t need to ask.” These responses reinforce guilt and discourage future questioning. The goal is to neutralize skepticism by making the victim feel that seeking clarity is an act of betrayal.

Over time, this leads to a destabilizing psychological cycle. The victim remains emotionally invested but increasingly uncertain. They do not receive the answers they need, but they are given just enough implication to keep hoping. The manipulator controls the pace and direction of the relationship by using this ambiguity to reshape expectations as needed. If the victim begins to lose trust, the scammer simply rephrases the same emotional sentiments with new vagueness: “You’ll understand soon,” or “I just need you to be patient a little longer.” There is always a delay, always a future event just out of reach, always a deeper meaning that has not yet been revealed.

This manipulation is most effective when paired with the victim’s emotional vulnerability. Most scam victims are already in a place of need—whether for love, companionship, security, or purpose. The manipulator taps into that need and allows the victim to build their own narrative around the vague statements. The scammer says less, and the victim imagines more. That imagined narrative becomes deeply personal and emotionally significant, which makes it more difficult to challenge. By the time the victim begins to notice inconsistencies or absences, they may already feel emotionally bound to the person or the relationship itself.

Scammers also weaponize tone and timing. A vague emotional statement is often dropped during moments of emotional intensity—either when the victim is feeling isolated or hopeful. In those moments, the brain is even more likely to seek reassurance, which increases the effect of the underspecified message. The manipulator creates a pattern of withholding and promising that mimics the emotional high-low cycle seen in addiction and abuse. The victim waits for the next message, the next vague reassurance, the next emotional breadcrumb.

Eventually, this produces a learned behavior: the victim begins to interpret and rationalize vagueness as a normal form of communication. They start to believe that patience is a virtue and that doubt is a weakness. They stop asking questions and start waiting. They stop checking facts and start believing feelings. This creates long-term emotional harm and delays recovery, even after the scam ends.

Recognizing this tactic is essential for recovery. When emotional promises never come with a plan, a date, or a concrete description, that is not romance—it is manipulation. When questions are discouraged or punished, that is not love—it is control. When meaning is always implied but never defined, that is not mystery—it is deception. The first step toward recovery is learning to recognize this difference. The next is rebuilding the ability to ask specific questions, demand clear answers, and stop filling in the blanks.

Once a victim understands how manipulative underspecification operates, they can begin to see through the illusion. Recovery requires not only emotional healing but also the re-establishment of cognitive boundaries. It means learning to value clarity over hope, evidence over promises, and questions over assumptions.

Common Examples in Relationship Scams and Crypto Fraud

In romance scams and pig butchering crypto scams, manipulative underspecification is a foundational technique. Scammers avoid commitment while implying it. They avoid explanation while demanding trust. Some common examples include:

  • “I have something planned for us very soon.” This implies a reward or development in the relationship, but no specific action, date, or detail is provided.
  • “Things are complicated on my side, just trust me.” This avoids transparency while casting the victim as untrusting if they ask for clarity.
  • “There’s a surprise coming your way.” This creates a feeling of anticipation, which helps keep the victim emotionally engaged, even if nothing materializes.
  • “I can’t tell you everything yet, but you’ll understand in time.” This statement builds dependency and keeps the victim off-balance, waiting for answers that never arrive.

These are not neutral statements. They are engineered to foster emotional reliance while allowing the manipulator to remain vague. They are crafted to appear meaningful without requiring accountability.

Psychological Mechanisms That Make It Work

Manipulative underspecification is effective because it exploits predictable cognitive and emotional tendencies:

  • Confirmation bias leads victims to interpret vague promises in the most favorable light.
  • Optimism bias leads them to expect a good outcome unless explicitly warned otherwise.
  • Ambiguity aversion drives them to mentally resolve uncertainty by imagining the best-case scenario.

The human brain does not respond well to unresolved tension. In the absence of answers, the mind will generate its own, especially when strong emotions are involved. This effect is even stronger in victims who are grieving, lonely, or emotionally vulnerable. The scammer creates a vacuum, and the victim fills it with meaning that did not originate from the scammer. That meaning becomes emotionally binding.

In combination with other manipulative strategies, underspecification becomes even more destructive. For example, in pig butchering scams, scammers may present themselves as crypto experts but never explain the investment model clearly. They refer to platforms or processes vaguely, using terms like “ROI,” “profits,” or “secure wallet” without defining them. The victim assumes it works and sends money. Meanwhile, the scammer avoids every opportunity for verification.

In romantic frauds, a scammer may refer to a wedding, a shared home, or meeting the victim’s children, yet offer no plan, travel dates, or discussions about logistics. Instead, they keep the victim emotionally primed while postponing specifics indefinitely.

How to Recognize Manipulative Underspecification

The pattern becomes clear when looking for three consistent elements:

  1. Missing information or detail when clarity would be expected.
  2. Emotional suggestions that seem promising but cannot be verified.
  3. Repeated deflection or blame when the victim asks for clarity.

Some questions a victim might consider include:

  • Do conversations remain vague even when discussing major life decisions?
  • Is the other person always promising something without any follow-up?
  • Are requests for clarity met with discomfort, accusations, or silence?
  • Is the victim filling in the blanks emotionally, hoping to validate their own investment?

Scam victims often report that they “felt something was off” but continued to hope. That hope is often sustained through carefully deployed ambiguity. Clarity was always within reach, but it was never offered. When it was requested, it was discouraged.

Defensive Strategies

To protect against manipulative underspecification, scam victims and those in emotionally coercive situations must prioritize factual thinking over emotional interpretation. Defensive strategies include:

  • Demand specific answers. If someone says they have a plan, ask what it is, when it will happen, and how it will unfold.
  • Refuse to act on vague promises. If someone offers a reward or future event but cannot provide clear steps, do not move forward.
  • Document conversations. Writing down what is said and comparing it over time can reveal contradictions or consistent vagueness.
  • Pause interpretation. If a statement feels emotionally charged but unclear, resist the urge to assume a positive meaning. Ask instead, “What exactly does this mean?”

Recognizing the pattern is a form of recovery. Many scam victims look back and identify the moments when they filled in the blanks. They realize the scammer never committed to anything, never provided details, and never answered questions directly. The illusion came from inside the victim’s own mind, created from emotional need and mental shortcuts.

This realization can be painful, but it is essential. Rebuilding emotional independence, self-trust, and healthy boundaries requires understanding how this tactic worked and why it was effective.

Conclusion

Manipulative underspecification is not about forgetting to provide information. It is a method of evasion designed to keep others confused, emotionally hooked, and off-balance. In the context of scams, it is especially dangerous because it keeps the victim hopeful while removing the manipulator’s obligation to be truthful. It turns emotional desire into a weapon against the victim.

Recovering from this tactic means learning to demand clarity, notice vagueness, and stop interpreting ambiguous messages in ways that serve the manipulator. It requires building habits of critical questioning and refusing to act on feeling alone. When a person can recognize the language of manipulation, they are no longer under its spell.

Manipulative underspecification is a psychological trick. It is not communication. It is control through confusion.

Glossary

  • Ambiguity Aversion – The human discomfort with uncertainty, which leads people to fill in gaps with preferred or comforting assumptions, often exploited by manipulators.
  • Confirmation Bias – The tendency to interpret new information in ways that confirm existing beliefs or desires, even when evidence is incomplete or unclear.
  • Crypto Investment Scam – A fraudulent scheme where a scammer poses as a cryptocurrency expert, encouraging victims to invest in vague or fake platforms with promises of high returns.
  • Deflection – A manipulative tactic in which the person avoids answering questions directly by changing the subject, blaming the victim, or evoking guilt.
  • Emotional Breadcrumbing – The process of offering vague emotional cues or hints to keep someone engaged without providing real commitment or progress.
  • Emotional Hook – A manipulative technique that uses vague emotional appeals to create attachment and prevent critical thinking.
  • Emotional Suggestion – A statement crafted to imply positive meaning or promise without committing to specifics, designed to elicit an emotional reaction.
  • Emotional Vulnerability – A state of openness to emotional influence, often resulting from loneliness, grief, or past trauma, which makes a person more susceptible to manipulation.
  • Implied Meaning – The emotional or assumed significance a victim assigns to a statement that lacks clear or direct explanation.
  • Learned Behavior – A psychological adaptation where repeated exposure to manipulation conditions a person to accept vague communication as normal.
  • Manipulative Underspecification – A psychological control tactic that uses vague or emotionally charged language to prompt the target to invent their own meaning, keeping them confused and dependent.
  • Mental Shortcuts – Cognitive patterns the brain uses to process information quickly, often at the expense of accuracy, making people more vulnerable to deception.
  • Missing Information – A deliberate omission of facts, plans, or details where they would normally be expected, used to maintain ambiguity.
  • Optimism Bias – The belief that things will work out well despite lacking evidence, leading victims to assume positive outcomes from unclear statements.
  • Pig Butchering Scam – A scam that combines romantic manipulation with cryptocurrency fraud, where the victim is emotionally groomed before being financially exploited.
  • Psychological Control – The use of emotional, cognitive, or communicative manipulation to influence and dominate another person’s thoughts, behavior, or decisions.
  • Redirection – A tactic used by manipulators to shift focus away from a direct question or issue, usually to avoid accountability.
  • Romance Scam – A form of fraud in which a scammer pretends to build a romantic relationship in order to exploit the victim emotionally and financially.
  • Stalling – A method of delaying clear answers or actions, often paired with emotional reassurance, to maintain control and avoid exposure.
  • Underspecified Statement – A phrase that appears emotionally significant but lacks concrete details, timeline, or factual basis.
  • Vague Communication – Language that is intentionally unclear, lacking specific content, often used to manipulate expectations and emotions.
  • Verification Avoidance – A refusal or inability to provide proof or specifics when asked, often disguised as emotional distress or circumstantial difficulty.

Dr. Tim McGuinness is a co-founder, Managing Director, and Board Member of the SCARS Institute (Society of Citizens Against Relationship Scams Inc.), where he serves as an unsalaried volunteer officer dedicated to supporting scam victims and survivors around the world. With over 34 years of experience in scam education and awareness, he is perhaps the longest-serving advocate in the field.

Dr. McGuinness has an extensive background as a business pioneer, having co-founded several technology-driven enterprises, including the former e-commerce giant TigerDirect.com. Beyond his corporate achievements, he is actively engaged with multiple global think tanks where he helps develop forward-looking policy strategies that address the intersection of technology, ethics, and societal well-being. He is also a computer industry pioneer (he was an Assistant Director of Corporate Research Engineering at Atari Inc. in the early 1980s) and invented core technologies still in use today.

His professional identity spans a wide range of disciplines. He is a scientist, strategic analyst, solution architect, advisor, public speaker, published author, roboticist, Navy veteran, and recognized polymath. He holds numerous certifications, including those in cybersecurity from the United States Department of Defense under DITSCAP & DIACAP, continuous process improvement and engineering and quality assurance, trauma-informed care, grief counseling, crisis intervention, and related disciplines that support his work with crime victims.

Dr. McGuinness was instrumental in developing U.S. regulatory standards for medical data privacy called HIPAA and financial industry cybersecurity called GLBA. His professional contributions include authoring more than 1,000 papers and publications in fields ranging from scam victim psychology and neuroscience to cybercrime prevention and behavioral science.

“I have dedicated my career to advancing and communicating the impact of emerging technologies, with a strong focus on both their transformative potential and the risks they create for individuals, businesses, and society. My background combines global experience in business process innovation, strategic technology development, and operational efficiency across diverse industries.”

“Throughout my work, I have engaged with enterprise leaders, governments, and think tanks to address the intersection of technology, business, and global risk. I have served as an advisor and board member for numerous organizations shaping strategy in digital transformation and responsible innovation at scale.”

“In addition to my corporate and advisory roles, I remain deeply committed to addressing the rising human cost of cybercrime. As a global advocate for victim support and scam awareness, I have helped educate millions of individuals, protect vulnerable populations, and guide international collaborations aimed at reducing online fraud and digital exploitation.”

“With a unique combination of technical insight, business acumen, and humanitarian drive, I continue to focus on solutions that not only fuel innovation but also safeguard the people and communities impacted by today’s evolving digital landscape.”

Dr. McGuinness brings a rare depth of knowledge, compassion, and leadership to scam victim advocacy. His ongoing mission is to help victims not only survive their experiences but transform through recovery, education, and empowerment.

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  1. Manipulative Underspecification - a Powerful Manipulation Technique Used by Scammers - 2025 8bf3fbe2d7bab07301cee7e1543e6044f5cd356c5caac29fb8be742108ce28cf?s=54&d=identicon&r=g
    seb September 17, 2025 at 5:36 pm - Reply

    Lonliness is the problem, we fall victim because we have noone…..I gave my phone number to a complete stranger at a grocery store…Three years later I am still with him, a predator, a sweet talker, in love, only wants me . wants to move in, has no money is a refugee……I feel angry and feel he has crossed my boundaries and has made it to my bedroom…….Is this my best friend???

  2. Manipulative Underspecification - a Powerful Manipulation Technique Used by Scammers - 2025 9e800cfc1e462a5f217436524db108c67304c2d6456634fb972f924c3260e202?s=54&d=identicon&r=g
    Janina August 31, 2025 at 7:01 am - Reply

    My scammer was a master at using this tactic. Accused of lacking trust, patience I quickly gave up on any requests for further information. Very emotionally involved in the relationship I still waited hopefully for his ever-delayed answers. Thanks for the article which describes in such detail this very common type of manipulation used by scammers and, most importantly, how to recognise it and how to protect yourself from it.

Your comments help the SCARS Institute better understand all scam victim/survivor experiences and improve our services and processes. Thank you


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If you need to speak with someone now, you can dial 988 or find phone numbers for crisis hotlines all around the world here: www.opencounseling.com/suicide-hotlines

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We often use the term ‘scam victim’ in our articles, but this is a convenience to help those searching for information in search engines like Google. It is just a convenience and has no deeper meaning. If you have come through such an experience, YOU are a Survivor! It was not your fault. You are not alone! Axios!

A Question of Trust

At the SCARS Institute, we invite you to do your own research on the topics we speak about and publish, Our team investigates the subject being discussed, especially when it comes to understanding the scam victims-survivors experience. You can do Google searches but in many cases, you will have to wade through scientific papers and studies. However, remember that biases and perspectives matter and influence the outcome. Regardless, we encourage you to explore these topics as thoroughly as you can for your own awareness.

Statement About Victim Blaming

Some of our articles discuss various aspects of victims. This is both about better understanding victims (the science of victimology) and their behaviors and psychology. This helps us to educate victims/survivors about why these crimes happened and to not blame themselves, better develop recovery programs, and to help victims avoid scams in the future. At times this may sound like blaming the victim, but it does not blame scam victims, we are simply explaining the hows and whys of the experience victims have.

These articles, about the Psychology of Scams or Victim Psychology – meaning that all humans have psychological or cognitive characteristics in common that can either be exploited or work against us – help us all to understand the unique challenges victims face before, during, and after scams, fraud, or cybercrimes. These sometimes talk about some of the vulnerabilities the scammers exploit. Victims rarely have control of them or are even aware of them, until something like a scam happens and then they can learn how their mind works and how to overcome these mechanisms.

Articles like these help victims and others understand these processes and how to help prevent them from being exploited again or to help them recover more easily by understanding their post-scam behaviors. Learn more about the Psychology of Scams at www.ScamPsychology.org

Psychology Disclaimer:

All articles about psychology and the human brain on this website are for information & education only

The information provided in this article is intended for educational and self-help purposes only and should not be construed as a substitute for professional therapy or counseling.

While any self-help techniques outlined herein may be beneficial for scam victims seeking to recover from their experience and move towards recovery, it is important to consult with a qualified mental health professional before initiating any course of action. Each individual’s experience and needs are unique, and what works for one person may not be suitable for another.

Additionally, any approach may not be appropriate for individuals with certain pre-existing mental health conditions or trauma histories. It is advisable to seek guidance from a licensed therapist or counselor who can provide personalized support, guidance, and treatment tailored to your specific needs.

If you are experiencing significant distress or emotional difficulties related to a scam or other traumatic event, please consult your doctor or mental health provider for appropriate care and support.

Also read our SCARS Institute Statement about Professional Care for Scam Victims – click here to go to our ScamsNOW.com website.

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