Choi Bae-geun has opened Pandora's box

Son Ga-hyeok
Kim Hyeon-ji
Gyeonggi Eastern Union
...

• You should judge for yourselves whom to believe. I don't know haha
  
• Namuwiki: Jeong Jin-sang
  2. Details [Edit]
  He is considered a core confidant even among the close aides of Representative Lee Jae-myung; Lee himself has stated that "only someone like Kim Yong or Jeong Jin-sang can be called a close aide," and it is said they discuss almost all matters.#[3][4]
  He was a key staff member for a presidential candidate of the ruling party and a top aide to the leader of the main opposition party, but the known facts about him are extremely limited; in particular, he is a "reclusive politician" whose appearance is hard to find at all.
  Born in 1968, he graduated from Busan Bniel High School.#
  In the late 1980s, while attending the Department of Law at Kyungsung University, he joined the South Korean Socialist Labor Alliance and served as an official, reportedly using the pseudonym 'Che' following Che Guevara.# He dropped out in 1994 during his senior year in the Department of Public Administration but graduated later in 2011. It is known that he worked for 'Mal', a representative media outlet of the progressive camp, likely in the late 1990s.
  In 1995, he was active in a civic group called Seongnam Citizens' Group and was later known to have served as the office manager for Lawyer Lee Jae-myung's office, but## the Democratic Party of Korea stated through a press release from the Committee Against Prosecution Dictatorship Political Oppression on November 17, 2022, that Jeong Jin-sang never served as the office manager for Lawyer Lee Jae-myung's office. They argued that the office manager career listed in the prosecution's search and seizure warrant might have been based on false information taken from this Namuwiki document on Jeong Jin-sang. They also stated that Jeong Jin-sang did not participate in the Seongnam Citizens' Group in the past.#
  In 2002, he was active in the Reform National Party founded by pro-Roh figures such as Rhyu Si-min. However, in 2003, he broke away from the Reform Party in protest against Rhyu Si-min's actions and served as the organizing chairman of the Participatory Democracy and Living Politics Solidarity (Chamjeongyeon), composed of figures from the Seongnam area, issuing a statement criticizing the dogmatic and unilateral behavior of the "new party all-in" faction, including Assemblyman Rhyu Si-min.#
  From 2005 to 2006, while working as a citizen reporter for OhmyNews and 'Seongnam Today', he reported articles covering the activities of Lawyer Lee Jae-myung. For example, at the time, Lawyer Lee Jae-myung also used the articles written by Jeong Jin-sang on his own blog for promotion.
  In the late 2000s, he served as a secretary when Lawyer Lee Jae-myung was the chairperson of the Bundang-gu Gap district committee of the Democratic Party in Seongnam, Gyeonggi-do.
  When Lee Jae-myung was elected Mayor of Seongnam in 2010, he was appointed as the Policy Director of the General Affairs Division of Seongnam City (Special Appointment, Grade 6). When Lee was elected Governor of Gyeonggi Province in 2018, he was appointed as a Policy Advisor to the Gyeonggi Provincial Government (Special Appointment, Grade 5). During the 20th Presidential Election in 2022, he served as the Deputy Head of the Candidate's Secretariat for the Central Election Campaign Committee, having assisted Representative Lee Jae-myung from his closest side for a long period.
  He has repeatedly been appointed when Lee Jae-myung was elected to office and resigned when elections occurred.
  2010, Lee Jae-myung elected Mayor of Seongnam - Secretary to the Transition Committee (Grade 6) - Resigned
  2014, Lee Jae-myung re-elected Mayor of Seongnam - Reappointed - Resigned
  2017, Lee Jae-myung ran for Democratic Party primary - Resigned
  2018, Lee Jae-myung ran for Governor of Gyeonggi Province - Gyeonggi Provincial Policy Secretary
  2021, Lee Jae-myung ran for President - Resigned
  2022, Lee Jae-myung ran in National Assembly by-election - Democratic Party Political Coordination Office Head#
  Notably, although he acted as Lee Jae-myung's closest aide, he did not hold a high-ranking position of Grade 4 Secretary or above.
  It is said that Representative Lee Jae-myung showed infinite trust in Director Jeong (who worked in Seongnam at the time), to the extent of saying, "If something goes wrong with Director Jeong, I will take full responsibility." Naturally, Lee Jae-seon mentioned keeping distance from Jeong Jin-sang, referring to him as a man from the magazine "Mal"; he was also a person who exerted pressure alongside Chief of Staff Yoon Ki-cheon[5] and Executive Secretary/de facto action leader Baek Jong-seon when attempting to forcibly hospitalize Lee Jae-seon.#
  He does not use SNS and his photos are hard to find; he is reportedly the type who keeps his words to a minimum and rarely takes calls, choosing to provide 'faceless assistance' like a shadow.# However, it is said he comes to work every day, but even reporters, members of the National Assembly, and staff members claim not to know him, suggesting he has essentially conducted unofficial activities. In fact, in the Seongnam City meeting minutes, regarding inquiries about Mayor Lee Jae-myung's entourage, Chief of Staff Yoon Ki-cheon replied, 'Secretary Jeong Jin-sang (Special Appointment, Grade 6) is assigned to protocol duties in terms of job description, but he does not officially perform escort duties,'# and even though he holds a position in the Democratic Party during the ongoing 2022 investigation, it seems he maintains his mystique to the extent that even party employees have never seen his face.
  When Representative Lee Jae-myung was elected as the leader of the Democratic Party, he was appointed as the Head of the Political Coordination Office in the Party Leader's Secretariat.#