RelationWatch
OSINT Case File

Psychological & Behavioral Intelligence

Íris Rocha de Souza and Márcia Murdered by Cleilton Santana dos Santos, Alfredo Chaves, Espírito Santo, Brazil

Human-reviewed analysis

Psychological & Behavioral Intelligence

This source-based behavioral analysis does not establish a clinical diagnosis, motive, or legal finding.

Case Overview

The case involves a pattern of escalating domestic violence, control, and jealousy culminating in femicide. The victim experienced coercive control and physical abuse, with failed protective interventions contributing to the fatal outcome.

Relationship Dynamics

The relationship began with apparent calm but quickly showed signs of possessiveness and control by the suspect. The victim's autonomy was restricted, including clothing and social interactions. The suspect's jealousy and suspicion about paternity fueled threats and violence. The victim sought help but minimized abuse to family, reflecting complex dynamics of coercive control.

Escalation Summary

The pathway to homicide involved initial control and jealousy, escalating to physical assault and threats with a firearm, followed by separation attempts by the victim. The suspect's stalking and refusal to accept the breakup increased risk, culminating in premeditated lethal violence and concealment of the crime.

Observed Patterns and Case-Specific Context

Each entry separates the reported behavior or state from the analytical strength of the available narration.

Behavior / construct Person / subject Detailed case context Evidence
Coercive control Control dynamics Cleilton Santana dos Santos Suspect, Offender

Cleilton exercised control over Íris by dictating her clothing choices and limiting her contact with others. Witnesses reported he monitored her phone and stayed near her workplace for hours.

Context or trigger: During the relationship with Íris

Reported expression: Restricting victim's clothing, movements, and social interactions

Explicitly reported Confidence: High
Jealousy Emotional state Cleilton Santana dos Santos Suspect, Offender

Cleilton expressed doubts about being the father of the unborn child and discussed these suspicions with his father, contributing to motive for violence.

Context or trigger: Suspected paternity doubts

Reported expression: Doubts about paternity and suspicion of infidelity

Explicitly reported Confidence: High
Prior interpersonal violence Prior violence Cleilton Santana dos Santos Suspect, Offender

Íris reported being choked by Cleilton, losing consciousness, and sustaining injuries. She filed a police report and requested protection.

Context or trigger: October 2023 argument

Reported expression: Physical assault with chokehold causing unconsciousness

Explicitly reported Confidence: High
Premeditation and planning Planning or impulsivity Cleilton Santana dos Santos Suspect, Offender

The suspect used a firearm registered to him to shoot Íris multiple times and attempted to conceal the body by pouring lime to hinder discovery and decomposition.

Context or trigger: Homicide execution

Reported expression: Use of firearm, concealment of body with lime

Explicitly reported Confidence: High
Emotional abuse Control dynamics Cleilton Santana dos Santos Suspect, Offender

Cleilton restricted Íris's clothing choices and social contacts, contributing to a pattern of emotional abuse and coercive control.

Context or trigger: Relationship period

Reported expression: Control over victim's clothing and social interactions

Explicitly reported Confidence: High
Grief and bereavement Emotional state Márcia Mother of victimMother of the victim

The victim's mother and family experienced profound grief, requiring psychological support and medication. The victim's son showed signs of emotional distress and isolation.

Context or trigger: After the deaths of Íris and Rebeca

Reported expression: Psychological counseling, medication, faith and family support

Explicitly reported Confidence: High

Behavioral Escalation Pathway

Select a stage to expand it; scroll horizontally to follow the full sequence.

Narrative sequence
1 Relationship initiation Íris and Cleilton Explicitly reported

The couple began dating in April 2023 after meeting at a shop. Initially, the relationship appeared calm and positive.

Explicitly reported · High confidence

2 Emergence of control and jealousy Cleilton Santana dos Santos Suspect, Offender Coercive control Explicitly reported

Cleilton began to exert control over Íris's clothing and social interactions, showing possessiveness and jealousy.

Explicitly reported · High confidence

3 Physical assault and threats Cleilton Santana dos Santos Suspect, Offender Prior interpersonal violence Explicitly reported

In October 2023, Cleilton assaulted Íris with a chokehold and threatened her with a firearm, leading to a police report and request for protection.

Explicitly reported · High confidence

4 Relationship termination Íris Rocha de Souza VictimVictim Separation or abandonment threat Explicitly reported

Íris ended the relationship in October 2023 and intended to seek child support, but contact with Cleilton continued.

Explicitly reported · High confidence

5 Stalking and harassment post-breakup Cleilton Santana dos Santos Suspect, Offender Explicitly reported

Cleilton continued to stalk and harass Íris, monitoring her movements and communications despite the breakup.

Explicitly reported · High confidence

6 Homicide and concealment Cleilton Santana dos Santos Suspect, Offender Premeditation and planning Explicitly reported

Cleilton shot Íris multiple times, dragged her body to a remote location, and poured lime over it to conceal the crime.

Explicitly reported · High confidence

7 Investigation and arrest Cleilton Santana dos Santos Suspect, Offender Explicitly reported

Police used forensic, video, and geolocation evidence to arrest Cleilton, who initially denied involvement but was later convicted.

Explicitly reported · High confidence

8 Legal proceedings and sentencing Cleilton Santana dos Santos Suspect, Offender Explicitly reported

Cleilton was tried, confessed during the jury trial, and sentenced to over 51 years in prison after appeals.

Explicitly reported · High confidence

9 Family grief and aftermath Márcia Mother of victimMother of the victim Grief and bereavement Explicitly reported

The victim's family experienced profound grief, requiring psychological support and coping with the loss of Íris and her unborn child.

Explicitly reported · High confidence

Arrows show the sequence described in the source narrative; they do not prove that one psychological state caused the next event.

Source Limits and Cautions

Analysis is limited by lack of direct victim testimony and incomplete recovery of victim's phone. Psychological evaluations of the suspect were not fully disclosed. Some behavioral inferences rely on witness reports and police findings.

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