← Back to Brazil casesJoviana Evelyn Jankovski Disappearance Involving José Gustavo, Morro da Fumaça, Santa Catarina, Brazil
Case Summary
Joviana Evelyn Jankovski, a 19-year-old student living in Morro da Fumaça, Santa Catarina, Brazil, disappeared after leaving home on August 6, 2026. For three days, her family received messages from her phone assuring them she was fine, but her mother suspected the messages were not from Joviana. On August 10, Joviana was found dead in a locked bedroom in the home of her boyfriend, José Gustavo, who confessed to applying a chokehold during an argument, causing her death. José Gustavo was arrested and charged with femicide. The investigation revealed a pattern of control and stalking in their relationship, with Joviana wanting to end it but feeling unable to. The case remains under judicial secrecy as the court process continues.
Basic Information
Country: Brazil
State/Province: Santa Catarina, Brazil
City/Region: Morro da Fumaça
Incident Type: Domestic Violence Homicide
Relationship Status: Dating
Relationship Duration: Approximately 5 months
Incident Date: Aug. 6, 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:
- Friends circle
Relationship Stages:
- Dating
Analysis
Contributing Factors:
- Domestic Conflict
- Family pressure
- Suspicion of infidelity
Red Flags:
- Secretive communication patterns
- Deception after incident
- Escalation Pattern / Violence
- Missing Suspect
- Stalking / Repeated Harassment
Motives:
- Jealousy
- Control/domination
- Eliminate romantic partner
Relationship Outcomes:
- Homicide during marriage
- Arrest made
- Investigation still ongoing
- Deadbody recovery
People Link Graph
Relationship Journey Graph
Origin
- Friends circle
How the relationship or connection began.
Status
- Dating
Approximately 5 months
Stages
- Dating
Important relationship phases recorded for this case.
Warning Signals
- Secretive communication patterns
- Deception after incident
- Escalation Pattern / Violence
- Missing Suspect
- Stalking / Repeated Harassment
Reported red flags or early concern points.
Pressure Points
- Domestic Conflict
- Family pressure
- Suspicion of infidelity
- Jealousy
- Control/domination
- Eliminate romantic partner
Contributing factors and possible motives from the available sources.
Incident
2026-08-06
Outcome
- Homicide during marriage
- Arrest made
- Investigation still ongoing
- Deadbody recovery
Recorded relationship or case outcome.
Sources
English labels are shown first. Original-language titles are preserved for source verification.
Joviana Evelyn Jankovski Disappearance Involving José Gustavo, Morro da Fumaça, Santa Catarina, Brazil
Freak TV · Original language: English
View original title
Caso Joviana Evelyn | A MÃE PERCEBEU QUE NÃO ERA ELA
AI Intelligence Assessment
Relationship Pattern
Domestic Violence
Pattern Analysis
The relationship showed signs of control, jealousy, and stalking. The victim wanted to end the relationship but felt unable to. The suspect used deception by sending messages from the victim's phone to mislead the family. The fatal incident followed an argument triggered by suspicion of infidelity.
Investigative Notes
Police investigation included confession by José Gustavo, forensic confirmation of cause of death by chokehold, and arrest on suspicion of femicide. The case is under judicial secrecy with ongoing inquiry and pending formal charges. Defense disputes intent to kill, suggesting accidental death during argument.
Investigation Confusion
Dispute exists between prosecution and defense regarding intent to kill. Defense claims no intention to cause death, while prosecution treats case as femicide. Conflicting accounts about family knowledge and timeline of events.
Case Reconstruction / Puzzle Pieces
Joviana left home on August 6, 2026, and was last seen at José Gustavo's house. After an argument triggered by messages on José's phone, he applied a chokehold causing her death. He locked her in a bedroom and sent messages from her phone to deceive her family for three days. Police found her body on August 10. José Gustavo surrendered and confessed. Investigation revealed controlling and stalking behavior in the relationship.
Risk Assessment
High risk due to escalating violence, control behaviors, stalking, and deception. The suspect's history with ex-partners and family reports of controlling behavior increased risk.
Key Takeaways
Early signs of control and stalking, combined with deception and escalating violence, can precede fatal domestic incidents. Family suspicion about communication style and insistence on investigation were crucial. The case highlights the importance of recognizing coercive control and deception in intimate partner violence.
AI Case Q&A
What early signals mattered most?
Control and stalking behavior, victim's expressed desire to end relationship but inability to do so, suspicious messages sent from victim's phone.
Which clues helped connect the case?
Inconsistent messages from victim's phone, family noticing unusual writing style, victim's absence despite messages, reports of stalking and control.
Which evidence types appeared strongest?
Confession by suspect, forensic report confirming cause of death by chokehold, police discovery of victim's body in locked room, messages sent from victim's phone during disappearance.
Witness / Eyewitness Statements
Joviana's sister reported stalking and control signs; José Gustavo's mother claimed Joviana was with José over weekend; family noticed suspicious messages and absence; police statements confirmed suspect's confession.
How did follow-up reports change the understanding?
Defense contested premature release of forensic report and denied family involvement in concealment; family disputed defense claims about timeline and knowledge; case remains under judicial secrecy with ongoing investigation.
What remained unclear?
Final legal classification and sentencing remain pending; intent behind chokehold disputed; full extent of family knowledge and involvement unclear.