Delusional Beliefs and Pathological Suspicion: How Maladaptive Trust Erosion Can Drive Scamming Claims

“Scamming is in the blood” is not a medical diagnosis, but it strongly points to a psychological pattern: the belief that wrongdoing is inherent, contagious, or biologically “programmed.” Clinically, this resembles maladaptive attribution and paranoid or suspicious ideation—states in which a person interprets others’ motives as systematically harmful. When such beliefs become rigid and self-reinforcing, they can impair judgment, increase social conflict, and expose individuals or communities to harmful decision-making, including repeated targeting by fraud or recruitment into conspiratorial narratives.

At the core is a cognitive-emotional loop. First, individuals scan for threat cues, often driven by anxiety, past betrayal, trauma, or chronic stress. Next, the brain forms an explanation for ambiguous events. In paranoid-spectrum or highly suspicious thinking, the explanation is biased toward malevolent intent (i.e., “they are doing this to harm me”). This is reinforced by confirmation bias: evidence consistent with the belief is overweighted, while disconfirming information is discounted or reinterpreted as deception. Over time, the belief becomes not just a hypothesis but a “certainty” that guides perception and behavior.

In psychiatry, persistent suspiciousness can range from trait-level interpersonal distrust to delusional disorder or psychotic-spectrum phenomena. A key clinical distinction is insight. Suspicious beliefs with partial insight may remain open to doubt (“maybe they’re lying”). Delusional-level beliefs are held with high conviction despite contrary evidence and can be accompanied by distress, functional impairment, or pervasive behavioral changes. Delusions are typically not limited to a single event; they shape how new information is interpreted.

Another related mechanism is attributing causality as “inherent” or “biological.” This mirrors essentialist thinking, where complex behaviors are attributed to fixed internal traits rather than situational factors. In healthy reasoning, misdeeds are explained by factors such as opportunity, reinforcement, social learning, and incentives. When essentialism dominates, people may conclude that a group is uniformly corrupt, which increases stigma and reduces constructive problem-solving.

Neurobiologically, heightened threat sensitivity and altered salience processing can contribute to rigid interpretations. The brain’s predictive coding framework suggests that when prior beliefs strongly bias the interpretation of incoming signals, ambiguous evidence will be “explained away” to preserve the model. In paranoia, social cues may be assigned exaggerated significance, leading to persistent mistrust even in neutral interactions. Stress-related neuroendocrine changes (e.g., cortisol effects) can also worsen cognitive flexibility, making it harder to update beliefs.

Behaviorally, belief rigidity can increase vulnerability to scams in two ways. First, suspicion may cause individuals to disengage from legitimate systems (e.g., banks, regulators, clinicians) if these institutions are also judged as compromised. Second, conspiratorial narratives can be exploited by fraudsters who promise secret knowledge or “exposures” tailored to the person’s worldview. Scammers often use confirmation to validate preexisting fears, creating a feedback loop where the scammer becomes the source of “evidence.”

From a clinical perspective, assessment focuses on the severity, duration, and impact of the suspicious beliefs. Clinicians evaluate whether the person has delusions, hallucinations, disorganized thinking, trauma history, substance use, sleep deprivation, or mood symptoms. Risk assessment is critical: intense mistrust can lead to confrontations, retaliation, or self-harm if individuals feel trapped. Even when not psychosis, extreme suspicion can drive anxiety and depression via social isolation.

Evidence-based interventions depend on diagnosis and insight. Cognitive behavioral therapy (CBT) for psychosis and related approaches aim to test interpretations, reduce conviction in improbable explanations, and improve coping skills for distress. Techniques include collaborative empiricism (examining alternative hypotheses), behavioral experiments, and strengthening reality-based evidence evaluation. For persistent delusional-spectrum symptoms, antipsychotic medication may be considered by a psychiatrist, especially when beliefs are fixed and functionally impairing.

Community-level prevention also matters. Health literacy—especially understanding fraud psychology—can counteract the “in the blood” narrative by reframing scams as learned behaviors with identifiable methods: urgency tactics, identity manipulation, impersonation, and financial incentives. Teaching individuals to slow down decisions, verify via independent channels, and report suspected fraud reduces the payoff for scammers and protects vulnerable people.

Finally, it is important to clarify the medical implication of “in the blood.” Biology can influence risk for suspiciousness (through temperament, trauma effects, neurochemical stress responses, and certain psychiatric conditions), but it does not justify the conclusion that wrongdoing is genetically predetermined. Rigidity, not heredity, is the actionable target. If suspicious beliefs are distressing or persistent, professional evaluation is recommended.

Source: [@journalist_ph]