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Case Summary
On September 12, 2025, in Samsun, Turkey, Dr. Serdar Kıyak's car fell into a river, resulting in the drowning deaths of his wife Golsha Karaman Kıyak and their one-year-old son Alperen. Serdar survived unharmed and dry, raising suspicions. Investigations revealed Serdar had an extramarital relationship with a female psychiatrist, Mrs. M, and had threatened his wife and child. Evidence contradicted Serdar's account of the accident, including lack of brake marks and eyewitness reports of him being dry and calm before police arrival. Golsha's diary and messages indicated threats and suspicions against Serdar. Serdar attempted suicide twice in custody, dying in the second attempt. The case remains under investigation with evidence suggesting premeditation and relationship-driven motives.
Basic Information
Country: Turkey
State/Province: Samsun, Turkey
City/Region: Samsun
Incident Type: Murder
Relationship Status: Married
Relationship Duration: Approximately 2 years (marriage)
Affair / New-Partner Context
Recorded context: New relationship started
Reported initiator: Alleged suspect / offender
Relationship timing: During marriage or ongoing partnership, before separation
Incident Date: Sept. 12, 2025
Incident Sequence and Additional Victims
Primary reported outcome: Homicide
Reported self-harm outcome: Completed suicide
Person(s) reported to have died by or attempted suicide: Serdar Kıyak
Reported role: Alleged suspect / offender
Reported sequence: Homicide or serious injury, then suicide or attempt
Additional victims reported: 2
Additional victim events:
- Golsha Karaman Kıyak — Family or household member; Killed; Order not reported / unclear
- Alperen Kıyak — Child; Killed; Order not reported / unclear
Relationship Journey
Relationship Origins:
- Met at Workplace
- Family introduction
- Arranged marriage
Relationship Stages:
- Married Living Together
Analysis
Contributing Factors:
- Cheating / Infidelity
- Financial Issues
- Domestic Violence Allegation
- Domestic Conflict
- Family pressure
- Suspicion of infidelity
Red Flags:
- False accusations of infidelity
- Blame shifting or gaslighting behavior
- Escalation Pattern / Violence
- Manipulative behavior
- Missing Suspect
- Threats
- Suicidal Ideation
- Divorce Pending / Recent Separation
Motives:
- Revenge
- Avoid alimony/support
- Jealousy
- Desire for new relationship
Relationship Outcomes:
- Homicide during marriage
- Arrest made
- Investigation still ongoing
- Deadbody recovery
- Suicide
- Self-harm
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Golsha Karaman Kıyak and Alperen Kıyak Allegedly Murdered by Serdar Kıyak, Samsun, Turkey
Relationship Journey Graph
Origin
- Met at Workplace
- Family introduction
- Arranged marriage
How the relationship or connection began.
Status
- Married
Approximately 2 years (marriage)
Stages
- Married Living Together
Important relationship phases recorded for this case.
Warning Signals
- False accusations of infidelity
- Blame shifting or gaslighting behavior
- Escalation Pattern / Violence
- Manipulative behavior
- Missing Suspect
- Threats
- Suicidal Ideation
- Divorce Pending / Recent Separation
Reported red flags or early concern points.
Pressure Points
- Cheating / Infidelity
- Financial Issues
- Domestic Violence Allegation
- Domestic Conflict
- Family pressure
- Suspicion of infidelity
- Revenge
- Avoid alimony/support
- Jealousy
- Desire for new relationship
Contributing factors and possible motives from the available sources.
Incident
2025-09-12
Outcome
- Homicide during marriage
- Arrest made
- Investigation still ongoing
- Deadbody recovery
- Suicide
- Self-harm
Recorded relationship or case outcome.
Sources
English labels are shown first. Original-language titles are preserved for source verification.
Golsha Karaman Kıyak and Alperen Kıyak Allegedly Murdered by Serdar Kıyak, Samsun, Turkey
case plus _ کیس پلاس - Iran · Original language: English
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پرونده جنایی،اشکهایی از جنسِ اشک تمساح!
AI Intelligence Assessment
Relationship Pattern
Jealousy
Pattern Analysis
The case involves a married couple with underlying infidelity and domestic conflict. The husband's extramarital relationship and threats against his wife and child escalated tensions, culminating in a suspicious car accident resulting in the deaths of the wife and child. The husband's behavior, including attempts to prevent divorce and use of psychological treatment records, suggests premeditation influenced by jealousy and desire to avoid financial and custody consequences.
Investigative Notes
Police investigation revealed inconsistencies in the suspect's account, absence of brake marks, eyewitness reports of suspect being dry and calm before police arrival, and discovery of the victim's diary detailing threats and suspicions. The suspect was arrested and later died by suicide in custody. The case remains under investigation with evidence supporting premeditation and relationship-driven motives.
Investigation Confusion
Uncertainty remains regarding the exact circumstances of the car accident, the suspect's mental health status (real or fabricated), and the extent of involvement or encouragement by Mrs. M. Contradictory statements by the suspect and lack of eyewitnesses to the accident moment add to the confusion.
Case Reconstruction / Puzzle Pieces
The suspect, Serdar, had an extramarital relationship with Mrs. M and was under psychiatric treatment. His wife Golsha suspected infidelity and received threats from Serdar. On September 12, 2025, Serdar's car fell into a river; he survived dry while his wife and son drowned. Evidence contradicted his accident story, including no brake marks and eyewitness accounts. Police found Golsha's diary with threats and suspicions. Serdar attempted suicide twice in custody, dying in the second attempt. The investigation links the incident to jealousy, financial motives, and desire to avoid divorce consequences.
Risk Assessment
High risk due to documented threats, infidelity, domestic violence allegations, and escalation to fatal violence. The suspect's psychological state and suicide attempts indicate severe distress and potential for further harm if not contained.
Key Takeaways
Early signs included threats, infidelity, and domestic conflict. The suspect's contradictory behavior and attempts to fabricate mental illness records highlight manipulation. Eyewitness accounts and physical evidence contradicted the suspect's story, emphasizing the importance of thorough investigation. Suicide attempts post-arrest indicate psychological distress and potential for self-harm in suspects.
AI Case Q&A
What early signals mattered most?
Threats by Serdar to kill his wife and child, Golsha's suspicions and messages about danger, and the extramarital relationship with Mrs. M were critical early signals.
Which clues helped connect the case?
Eyewitness reports of Serdar being dry and calm before police arrival, absence of brake marks on the road, scratches on Serdar's face, and Golsha's diary documenting threats and suspicions helped connect the case.
Which evidence types appeared strongest?
Physical evidence from the accident site, call and message histories, eyewitness testimonies, and the victim's diary were the strongest evidence types.
Witness / Eyewitness Statements
Eyewitnesses reported seeing Serdar dry and calm by the river before police arrived. Golsha's mother reported receiving a message from Golsha about threats from Serdar moments before the incident. No witnesses saw the actual moment of the car falling into the water.
How did follow-up reports change the understanding?
Follow-up reports revealed Serdar's suicide attempts in custody and eventual death, the discovery of Golsha's diary, and ongoing police investigations. No further public updates on the case resolution are available.
What remained unclear?
The exact cause of the car accident, the authenticity of Serdar's mental illness record, and the role of Mrs. M in encouraging or facilitating the incident remain unclear.