Portrait of Jaejoong

Photo: 뉴스인스타 · CC BY 3.0 · Wikimedia Commons

Born in South Korea · Nationality South Korean — Culture / K-pop / media

Jaejoong

Documented profile covering 7 controversies, including “Drink-driving: stopped by police, blood alcohol level of 0.071% and licence suspension” and “Biological father's legal action over parentage and adoption, withdrawn after extensive media coverage”.

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Profile No. 0374 · Updated on 12 October 2026

Portrait of Jaejoong

Photo: 뉴스인스타 · CC BY 3.0 · Wikimedia Commons

7Documented controversies
14Sources
0Formal charge · all time
0Conviction

I. Documented controversies

01

2024-01

Denunciation of "sasaeng taxis" following him for twenty years and threat of legal action

No legal proceedings

In January 2024, Jaejoong posted videos of vehicles he identified as "sasaeng taxis" used to follow celebrities and stated that he had experienced this phenomenon for approximately twenty years. He announced that he was gathering evidence and considering legal measures.

State of the evidence
Documented
Attribution
Protagonist is the victim

Last verified: 21 August 2026

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02

2020 / révélé 2023

Tax audit: approximately 100 million won in additional tax, agency cites reporting differences between Japan and Korea

No legal proceedings

A tax audit carried out in 2020 resulted in approximately 100 million won in additional tax, a matter disclosed in 2023. His agency acknowledged that some income from activities in Japan had been omitted or recorded in a different reporting period and that certain expenses had not been accepted as business expenses.

State of the evidence
Documented
Attribution
Personally implicated

Last verified: 21 August 2026

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03

2020-04-01

False COVID-19 diagnosis posted as April Fools' joke at start of pandemic

No legal proceedings

On 1 April 2020, Jaejoong posted on Instagram that he had been hospitalised after contracting COVID-19, before clarifying that it was an April Fools' joke intended, according to him, to raise awareness of health risks. The post prompted a strong reaction in Korea and abroad.

State of the evidence
Documented
Attribution
Personally implicated

Last verified: 21 August 2026

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04

2009–2012

TVXQ/JYJ split: legal battle against SM Entertainment over exclusive contract

Civil / administrative proceedings

Jaejoong, Park Yoo-chun and Kim Jun-su went to court in 2009 seeking suspension of their exclusive contracts with SM Entertainment, criticising in particular their duration and the distribution of revenue. The case led to the formation of JYJ and several years of legal and industry conflict before a settlement in 2012.

State of the evidence
Documented
Attribution
Directly implicated

Sources · 2

  1. [1]
  2. [2]

Last verified: 21 August 2026

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05

2012

Recordings of violence and insults towards "sasaeng" fans, followed by public apology

No legal proceedings

In 2012, recordings attributed to Jaejoong were published and presented as showing insults and physical blows directed at sasaeng fans. The case sparked major controversy over how JYJ members responded to obsessive harassment by some fans.

State of the evidence
Documented
Attribution
Personally implicated

Sources · 2

  1. [1]
  2. [2]
    Dong-A IlboJYJ, 사생팬 논란 공식 사과MediaHigh reliability

Last verified: 21 August 2026

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06

2006-04

Drink-driving: stopped by police, blood alcohol level of 0.071% and licence suspension

Investigation

In April 2006, Kim Jae-joong was stopped while driving with a blood alcohol level of 0.071%. Gangnam police prosecuted him without detention for a traffic law violation and suspended his licence for 100 days.

State of the evidence
Documented
Attribution
Personally implicated

Sources · 2

  1. [1]
    Kyunghyang Shinmun‘동방신기’ 영웅재중 음주운전 적발MediaHigh reliability
  2. [2]
    Dong-A Ilbo‘동방신기’ 김재중씨 음주운전MediaHigh reliability

Last verified: 21 August 2026

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07

2006-11

Biological father's legal action over parentage and adoption, withdrawn after extensive media coverage

Civil / administrative proceedings

In November 2006, the man identified as Jaejoong's biological father initiated proceedings concerning civil registration and parentage, explaining that the adoption had allegedly not been properly formalised and that the situation had created problems including duplicate registration and military service summonses. The proceedings sparked considerable controversy over the artist's family history.

Sources · 2

  1. [1]
  2. [2]

Last verified: 21 August 2026

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II. Constellation of documented links

  • Linked profile (portrait or initials) — click to open it
  • Line width: number of documented references
  • Hover over or tap a line: controversies and sources

Two profiles are linked when a documented controversy of one names the other. The link points to that controversy and its sources; it does not indicate a personal relationship.

List of documented links (1)
  1. Park Yoo-chun1 documented reference

III. Has something changed?

A new court decision, a missing source, a mistake? Tell us what should be updated: every request is read by the editorial team.

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