RelationWatch
OSINT Case File

Psychological & Behavioral Intelligence

Park Ji-young and Park Ji-young's Husband Allegedly Kidnapped by Kim Su-hwan, Tongyeong, South Korea

Human-reviewed analysis

Psychological & Behavioral Intelligence

This source-based behavioral analysis does not establish a clinical diagnosis, motive, or legal finding.

Case Overview

This case involves complex relationship dynamics marked by infidelity, jealousy, and escalating violence culminating in murder and kidnapping. The perpetrator's impulsive aggression and possessiveness reflect deep emotional disturbances and control issues within the extramarital affair context.

Relationship Dynamics

Park Ji-young maintained simultaneous relationships with her husband and Kim Su-hwan, causing ongoing conflict and emotional turmoil. The husband's refusal to divorce and the mistress's indecision created a volatile environment. Kim Su-hwan exhibited possessiveness and control, reacting violently to perceived betrayal and loss of control over Park Ji-young.

Escalation Summary

The pathway to violence began with infidelity and unresolved marital conflict, escalated by Kim Su-hwan's violent assault on Park Ji-young, followed by her reconciliation with her husband. This triggered Kim's impulsive murder of the husband and kidnapping of Park Ji-young, reflecting a rapid escalation from emotional distress to lethal violence.

Observed Patterns and Case-Specific Context

Each entry separates the reported behavior or state from the analytical strength of the available narration.

Behavior / construct Person / subject Detailed case context Evidence
Jealousy Emotional state Kim Su-hwan SuspectHusband of the offender

Kim Su-hwan's jealousy intensified as Park Ji-young oscillated between her husband and him, leading to aggressive behaviors including stalking, threats, and ultimately stabbing the husband.

Context or trigger: Perceived betrayal by Park Ji-young's continued contact with her husband

Reported expression: Anger, repeated calls, threats, and violent assault culminating in murder

Explicitly reported Confidence: High
Impulsive aggression Planning or impulsivity Kim Su-hwan SuspectHusband of the offender

Kim Su-hwan, intoxicated and enraged, drove at high speed to the victim's home and stabbed him multiple times in a brief, violent episode.

Context or trigger: Drunken state and emotional distress after failed breakup

Reported expression: Sudden stabbing attack with a sashimi knife

Explicitly reported Confidence: High
Coercive control Control dynamics Kim Su-hwan SuspectHusband of the offender

After killing the husband, Kim Su-hwan forcibly took Park Ji-young, controlled her movements, and resisted her attempts to flee or call for help.

Context or trigger: Kidnapping Park Ji-young after murder

Reported expression: Dragging her forcibly, confinement in motel, preventing escape

Explicitly reported Confidence: High
Marital dissatisfaction Relationship stressor Park Ji-young VictimWife of the victim

The couple experienced prolonged conflict with Park Ji-young seeking divorce and the husband refusing, leading to a fragile and tense relationship.

Context or trigger: Ongoing conflicts and divorce threats

Reported expression: Repeated disputes, threats of divorce, and unstable living arrangements

Explicitly reported Confidence: High
Withdrawal or reduced functioning Behavioral pattern Park Ji-young VictimWife of the victim

Following the assault, Park Ji-young decided to end the relationship with Kim Su-hwan and return to her husband, indicating a withdrawal from the abusive relationship.

Context or trigger: After violent assault by Kim Su-hwan

Reported expression: Decision to break up and seek reconciliation with husband

Explicitly reported Confidence: Moderate
Family opposition or interference Family dynamics Park Ji-young VictimWife of the victim

Park Ji-young occasionally stayed at her older sister's home, indicating reliance on family support amid relationship turmoil.

Context or trigger: Seeking refuge at older sister's house

Reported expression: Using family support as a safe place during conflict

Explicitly reported Confidence: Moderate
Deception or concealment Behavioral pattern Park Ji-young VictimWife of the victim

Park Ji-young lived between two homes, unable to let go of either relationship, contributing to the complex dynamics and jealousy.

Context or trigger: Maintaining dual residences and relationships

Reported expression: Going back and forth between husband's home and Kim Su-hwan's home

Explicitly reported Confidence: High
Rumination or fixation Cognitive pattern Kim Su-hwan SuspectHusband of the offender

Kim Su-hwan repeatedly called both Park Ji-young and her husband, expressing anger and threats, indicating obsessive fixation on the relationship conflict.

Context or trigger: Repeated calls and threats to victim and mistress

Reported expression: Persistent focus on controlling Park Ji-young and confronting husband

Narrative-supported psychological state Confidence: High
Dependency or attachment insecurity Attachment-related behavior Kim Su-hwan SuspectHusband of the offender

Kim Su-hwan exhibited possessiveness, perceiving Park Ji-young as his property and reacting with rage when she maintained contact with her husband.

Context or trigger: Desire to possess Park Ji-young exclusively

Reported expression: Viewing Park as possession and reacting violently to loss

Analytical inference Confidence: Moderate
Emotional escalation Escalation Kim Su-hwan SuspectHusband of the offender

Following rejection and intoxication, Kim Su-hwan's emotional state escalated quickly, culminating in the stabbing of the husband.

Context or trigger: Drinking and rejection by Park Ji-young

Reported expression: Rapid increase in anger leading to violent attack

Explicitly reported Confidence: High
Help-seeking or disclosure Coping response Park Ji-young VictimWife of the victim

While confined in a motel, Park Ji-young tried to negotiate with Kim Su-hwan to resolve the situation and be released.

Context or trigger: During kidnapping and confinement

Reported expression: Attempted to persuade Kim Su-hwan to release her and return to Tongyeong

Explicitly reported Confidence: Moderate

Behavioral Escalation Pathway

Select a stage to expand it; scroll horizontally to follow the full sequence.

Narrative sequence
1 Affair initiation Park Ji-young and Kim Su-hwan Explicitly reported

Park Ji-young met Kim Su-hwan through an acquaintance in October 2022 and began an extramarital affair.

Explicitly reported · High confidence

2 Ongoing marital conflict Park Ji-young VictimWife of the victim Marital dissatisfaction Explicitly reported

Park Ji-young and her husband had ongoing conflicts with threats of divorce, but the husband refused to separate.

Explicitly reported · High confidence

3 Violent assault on mistress Kim Su-hwan SuspectHusband of the offender Impulsive aggression Explicitly reported

On May 3, 2023, Kim Su-hwan assaulted Park Ji-young violently while intoxicated, prompting her decision to break up.

Explicitly reported · High confidence

4 Reconciliation with husband Park Ji-young VictimWife of the victim Relationship decision process Explicitly reported

On May 4, Park Ji-young reconciled with her husband, agreeing to live together and end the affair.

Explicitly reported · High confidence

5 Murder and kidnapping Kim Su-hwan SuspectHusband of the offender Impulsive aggression Explicitly reported

On May 5, Kim Su-hwan, enraged and intoxicated, stabbed the husband multiple times and kidnapped Park Ji-young.

Explicitly reported · High confidence

6 Police pursuit and arrest Police Explicitly reported

Police tracked the suspect's vehicle via CCTV and toll gates, leading to his arrest in Yeongcheon within four hours.

Explicitly reported · High confidence

7 Legal sentencing Kim Su-hwan SuspectHusband of the offender Explicitly reported

In November 2023, Kim Su-hwan was sentenced to life imprisonment for the murder and kidnapping.

Explicitly reported · High confidence

Arrows show the sequence described in the source narrative; they do not prove that one psychological state caused the next event.

Source Limits and Cautions

Analysis is limited by lack of direct psychological evaluations and reliance on reported behaviors and statements. The mistress's internal psychological state and motivations are not fully detailed. The perpetrator's psychopathy tendencies are suggested but not clinically confirmed.

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