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OSINT Case File

Selena Roldán Allegedly Murdered by Mateo, Medellín, Antioquia, Colombia

Case Summary

Selena Roldán, a 25-year-old woman from Medellín, was allegedly murdered by her then-boyfriend Mateo. The couple had a troubled relationship marked by jealousy, breakups, and reconciliation attempts. Mateo exhibited obsessive and desperate behavior after their breakup, including following Selena and confronting a man she met. Despite premarital counseling and family involvement, the relationship deteriorated. On March 15, 2026, Mateo reportedly set fire to their home after Selena was found dead from a chest injury, not the fire. Mateo fled but was later captured and denies guilt. The case highlights hidden domestic violence and the dangers of trusting appearances.

Verified True
Confidence 4
Incident Date March 15, 2026
Incident Type Domestic Violence Homicide

Basic Information

Country: Colombia

State/Province: None

City/Region: Medellín

Incident Type: Domestic Violence Homicide

Relationship Status: Dating

Relationship Duration: Approximately 4 months (initial dating before planned marriage)

Incident Date: March 15, 2026

Incident Sequence and Additional Victims

Primary reported outcome: Homicide

Reported self-harm outcome: No suicide or attempt reported

Reported sequence: Order not reported / unclear

Additional victims reported: 0

Relationship Journey

Relationship Origins:

  • Met at Workplace
  • Friends circle

Relationship Stages:

  • Dating
  • Engaged
  • Separated

Analysis

Contributing Factors:

  • Domestic Conflict
  • Mental instability
  • Divorce / Separation

Red Flags:

  • Secretive communication patterns
  • Escalation Pattern / Violence
  • Threats
  • Suicidal Ideation
  • Divorce Pending / Recent Separation

Motives:

  • Revenge
  • Jealousy
  • Eliminate romantic partner

Relationship Outcomes:

  • Homicide during marriage
  • Arrest made
  • Weapon recovery
  • Investigation still ongoing

People Link Graph

Relationship Journey Graph

1

Origin

  • Met at Workplace
  • Friends circle

How the relationship or connection began.

2

Status

  • Dating

Approximately 4 months (initial dating before planned marriage)

3

Stages

  • Dating
  • Engaged
  • Separated

Important relationship phases recorded for this case.

4

Warning Signals

  • Secretive communication patterns
  • Escalation Pattern / Violence
  • Threats
  • Suicidal Ideation
  • Divorce Pending / Recent Separation

Reported red flags or early concern points.

5

Pressure Points

  • Domestic Conflict
  • Mental instability
  • Divorce / Separation
  • Revenge
  • Jealousy
  • Eliminate romantic partner

Contributing factors and possible motives from the available sources.

6

Incident

2026-03-15

7

Outcome

  • Homicide during marriage
  • Arrest made
  • Weapon recovery
  • Investigation still ongoing

Recorded relationship or case outcome.

Sources

English labels are shown first. Original-language titles are preserved for source verification.

Selena Roldán Allegedly Murdered by Mateo, Medellín, Antioquia, Colombia

Conducta Delictiva - Colombia · Original language: Spanish

View original title

"Fui su pastor y eramos amigos: un día terminó M4T4NDØ a mi sobrina y quemando su apartamento"

AI Intelligence Assessment

Relationship Pattern

Jealousy

Pattern Analysis

The relationship was marked by jealousy and obsessive behavior from Mateo, including following Selena and confronting a man she met. Despite premarital counseling and family involvement, the couple separated and reconciled multiple times. The escalation culminated in a fatal incident where Mateo allegedly killed Selena and set fire to their home to cover the crime.

Investigative Notes

Authorities found Selena dead with a chest injury before the fire. Mateo fled but was later captured after a virtual trial issued an arrest warrant. Medical examiner's report contradicted claims of accidental death. Police investigation revealed possible staging of fire to cover homicide. Family and witnesses provided key information. Mateo denies guilt.

Investigation Confusion

Initial claims suggested accidental death or suicide; conflicting narratives about cause of death and intent. Uncertainty about whether fire was set by Mateo or suggested by others. No arrest warrant initially; capture was arranged to avoid public spectacle.

Case Reconstruction / Puzzle Pieces

Selena and Mateo met at work and dated for about four months before planning marriage. Premarital counseling revealed doubts and early signs of conflict. They separated but reconciled after about six months. Mateo showed obsessive and desperate behavior after breakup, including following Selena and confronting a man she met. On March 15, 2026, Mateo allegedly killed Selena by chest injury, set fire to their home to cover evidence, and fled. He was later captured and charged.

Risk Assessment

High risk due to escalating jealousy, obsessive behavior, separation, and threats. Lack of full transparency about relationship issues and prior conflicts increased vulnerability.

Key Takeaways

Early signs of obsessive jealousy and secretive behavior can precede fatal domestic violence. Premarital counseling may reveal but not prevent escalation. Family involvement is crucial but may be limited by victim's privacy. Fire can be used to conceal homicide. Importance of recognizing subtle red flags and intervening early.

AI Case Q&A

What early signals mattered most?

Desperate calls from Mateo, discovery of used lingerie, following Selena to meet another man, messages expressing inability to cope, and sudden distancing after breakup.

Which clues helped connect the case?

Mateo's messages and calls to uncle, observation of Selena with another man, bruise on Selena's leg, and premarital counseling sessions revealing doubts.

Which evidence types appeared strongest?

Medical examiner's report showing chest laceration, burned home with melted refrigerator, messages and calls from Mateo, witness observations of Mateo siphoning gasoline and setting fire.

Witness / Eyewitness Statements

Neighbors heard explosion but no screams or arguments. Witness saw Mateo siphoning gasoline and setting fire. Security guards noticed Mateo's suspicious behavior at shopping center. Family members reported calls and messages.

How did follow-up reports change the understanding?

Initial reports suggested accidental death or suicide; later medical and police findings confirmed homicide. Arrest warrant issued after virtual trial. Mateo maintains innocence.

What remained unclear?

Exact motive and full sequence of events remain partially unclear. Identity of person who suggested fire as cover-up is unknown. Details of Selena's other relationships and their impact are uncertain.

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