South Korean prosecutors have formally indicted Morse Tan, a former US diplomat who served under the first US President Trump administration, on criminal defamation charges. The Seoul Central District Prosecutors’ Office announced the non-custodial indictment against Tan, a Korean American law professor, following a controversial sequence of events that bridges international political rhetoric and domestic Korean jurisprudence.
The legal action stems from statements Tan delivered during a press conference in Washington, D.C., last year. According to investigators, Tan propagated demonstrably false allegations asserting that South Korean President Lee Jae Myung had been involved in a violent juvenile crime and detained in a youth facility. The remarks immediately triggered intense public backlash and set off a complex jurisdictional tug-of-war between Korean law enforcement agencies and judicial authorities.
Jurisdictional Hurdles and Travel Restrictions
The path to indictment was marked by procedural friction. Initially, the Seoul Metropolitan Police Agency dismissed a criminal complaint filed by a local civic group, concluding that local authorities lacked jurisdiction because the statements were uttered abroad by a foreign national. However, prosecutors ordered a reinvestigation, arguing that the principle of jurisdiction extends to the location where the subject experiences the direct impact of the alleged harm.
The case accelerated when Tan, who previously served as the ambassador-at-large for global criminal justice under US President Trump, entered South Korea to monitor local electoral processes. Upon his arrival, law enforcement officials served him with a summons. Following his refusal to comply with questioning, the Ministry of Justice imposed a temporary travel ban, which courts subsequently upheld despite legal challenges from the former diplomat’s defence team. Following a closed-door interrogation, police transferred the case files to the prosecution, culminating in the formal indictment.
Broader Political Fallout
Legal analysts note that the indictment underscores Seoul’s intensifying crackdown on cross-border disinformation campaigns amplified by political figures. Beyond his academic background, Tan has frequently aligned with fringe political movements in South Korea, promoting unfounded claims regarding election integrity and foreign interference.
As the case prepares to move toward trial in the Seoul Central District Court, the proceedings are expected to test the legal boundaries of prosecuting overseas statements that target sitting heads of state, drawing close scrutiny from international observers monitoring legal accountability for public disinformation.
