Jeon Min-geun and Choi Seong-hee, a newlywed couple living in Busan, South Korea, disappeared mysteriously in late May 2016. Both were last seen entering their apartment but never recorded leaving. Their phones were turned off on June 2 in different locations, Seoul and Busan. The investigation revealed complex relationship dynamics involving Jeon's ex-girlfriend Jang, who was suspected but not extradited from Norway due to lack of evidence. The couple left personal belongings behind, and no signs of forced entry or struggle were found. Multiple theories including disappearance, murder, kidnapping, and contract killing were considered but none confirmed. The case remains unsolved with ongoing family conflicts and police investigations.
Country: South Korea
State/Province: None
City/Region: Busan
Incident Type: Missing Person / Presumed Homicide
Relationship Status: Married
Relationship Duration: Approximately 6 months
Incident Date: May 27, 2016
Relationship Origins:
Relationship Stages:
Contributing Factors:
Red Flags:
Motives:
Relationship Outcomes:
How the relationship or connection began.
Approximately 6 months
Important relationship phases recorded for this case.
Reported red flags or early concern points.
Contributing factors and possible motives from the available sources.
2016-05-27
Recorded relationship or case outcome.
English labels are shown first. Original-language titles are preserved for source verification.
사건의뢰 · Original language: Korean
Busan Newlywed Couple Disappearance
Jealousy
The case involves a complex jealousy and domestic conflict pattern centered on Jeon Min-geun's ongoing relationship with his ex-girlfriend Jang, which caused significant distress and threats to the newlywed couple. The unresolved tensions and threats from Jang appear to be a critical factor in the couple's disappearance, with family discord and mental health issues compounding the situation.
Police investigation included CCTV analysis, communication records, and international cooperation with Norwegian authorities. Jang was designated a suspect and subject to an Interpol red notice but was released due to insufficient evidence and lack of extradition. Family conflicts and lack of cooperation from Jang's side hindered progress. The couple's phones were turned off in different locations on the same day, adding complexity. No bodies or definitive evidence of foul play found. The case remains open and unresolved.
Uncertainty about the exact disappearance timeline, conflicting accounts about hospitalizations, and the couple's movements. Disputed narratives about involvement of Jeon Min-geun and Jang. Lack of physical evidence and missing phones complicate conclusions. Theories of disappearance, murder, kidnapping, and contract killing remain speculative.
The couple was last seen entering their apartment on May 27-28, 2016. They did not appear on CCTV leaving the premises. Phones were turned off on June 2 in different cities. Jeon's ex-girlfriend Jang, with a history of on-off relationship and threats, was in Korea shortly before the disappearance and left soon after. Police investigated all leads including family homes, communication records, and international contacts. Despite extensive efforts, no conclusive evidence was found. The case is linked to complex interpersonal dynamics involving jealousy, threats, and mental health issues.
High risk due to ongoing threats, social isolation, and unresolved conflicts involving multiple parties with potential for violence or coercive control.
Early signs included unusual communication patterns, threats from an ex-partner, and mental health struggles. The disappearance without trace despite CCTV coverage suggests possible premeditation or coercion. Family discord and lack of cooperation from key suspect hindered resolution. The case highlights challenges in cross-border investigations and the importance of securing digital evidence.
Unusual text messages from the wife, threats from ex-girlfriend Jang, and the husband's request for security at the wedding were early warning signs.
CCTV footage showing entry but no exit, phone usage and shutdown locations, and suspicious behavior of Jang after returning to Korea helped connect the case.
CCTV recordings, phone call and message logs, and international police cooperation were the strongest evidence types, though incomplete.
Not reported.
Follow-up reports revealed Jang's movements and refusal to cooperate, the Norwegian court's rejection of extradition due to lack of evidence, and ongoing family conflicts.
The exact fate of the couple, the role of Jeon Min-geun in the disappearance, and the involvement of Jang remain unclear.