María Lis Elizabeth Duende Malafaya, a 19-year-old aspiring fashion designer, moved to Lima and began a relationship with Peter Carvajal Villacres, who was controlling and abusive. After deciding to end the relationship, María Lis disappeared on January 14, 2026. Peter initially denied involvement but later confessed to killing her during an argument, dismembering her body, and attempting to conceal the crime. He provided multiple conflicting accounts about the disposal of the remains. Authorities arrested Peter in June 2026 after locating him in Orellana. The investigation continues, including inquiries into Peter's family for possible involvement.
Country: None
State/Province: None
City/Region: Surquillo
Incident Type: Murder
Relationship Status: Dating
Relationship Duration: Approximately 1 year (dating)
Incident Date: Jan. 14, 2026
Relationship Origins:
Relationship Stages:
Contributing Factors:
Red Flags:
Motives:
Relationship Outcomes:
How the relationship or connection began.
Approximately 1 year (dating)
Important relationship phases recorded for this case.
Reported red flags or early concern points.
Contributing factors and possible motives from the available sources.
2026-01-14
Recorded relationship or case outcome.
English labels are shown first. Original-language titles are preserved for source verification.
Criminalista Nocturno - Colombia · Original language: Spanish
Cansada del control y los celos decidió terminar con su pareja | Criminalista Nocturno
Domestic Violence
The relationship began online and progressed to cohabitation, where the suspect exhibited controlling and jealous behavior leading to psychological and physical abuse. The victim's decision to end the relationship triggered the fatal incident. The suspect's multiple conflicting confessions and efforts to conceal the crime indicate manipulative and evasive behavior typical in domestic violence homicides.
Authorities conducted geolocation and technological investigations to reconstruct victim's last movements. The suspect was arrested after fleeing and hiding in a remote area. Multiple conflicting confessions complicated the investigation. Police are investigating possible accomplices, including the suspect's family. Preventive detention was ordered. The case is classified as aggravated femicide with potential life imprisonment.
Suspect repeatedly changed his story about the disposal of the body, creating confusion about who helped, how the body was transported, and the location of remains. Uncertainty remains about accomplices and exact details of the crime.
María Lis moved to Lima in 2024, met Peter online, and began dating. They moved in together in October 2025. Peter's controlling behavior escalated. On January 14, 2026, after María Lis decided to leave, an argument led to her death by a fatal head injury. Peter dismembered the body, attempted to hide evidence, and created a digital alibi. He fled but was found and arrested in June 2026. Investigation continues into accomplices and recovery of remains.
High risk due to controlling behavior, psychological and physical abuse, escalation to homicide, and suspect's evasive and manipulative actions.
Controlling and jealous behavior can escalate to fatal violence. Digital manipulation can delay discovery of crimes. Family advocacy is crucial in missing person cases. Multiple conflicting suspect statements complicate investigations. Cooperation of suspect's social circle may be critical.
Victim's reports of psychological and physical abuse, controlling behavior, and social media monitoring by suspect.
Geolocation data showing victim never left apartment, suspect's inconsistent statements, deletion of victim's social media, and suspect's flight.
Technological police work, geolocation analysis, suspect's confessions, reconstruction of crime scene, and purchase records of tools.
Vanessa, the victim's sister, reported victim's distress and decision to leave; family and friends searched extensively; police statements about suspect's behavior; no direct eyewitnesses to the crime reported.
Suspect changed his confession multiple times regarding the disposal of the body and involvement of accomplices, altering key investigation points.
Exact location of victim's remains, identity and role of accomplices, and full truth of suspect's actions remain unclear.