Actor Kim Soo-hyun speaks at a press conference in Seoul, March 31, 2025.

Korea Times photo by Park Si-mon After an arrest warrant was sought for the notorious YouTuber who allegedly used artificial intelligence (AI) to spread malicious rumors about actor Kim Soo-hyun, the resulting damages lawsuit is expected to expand from 12 billion won to a staggering 30 billion won ($20 million).

Kim Se-ui, operator of the controversial YouTube channel HoverLab (Garo Sero Institute), was taken into custody Wednesday.

The case gained nationwide attention last year when the channel released an audio recording of deceased actor Kim Sae-ron allegedly discussing her relationship with Kim Soo-hyun, sparking intense public backlash and forcing the actor to halt his activities for over a year.

However, police have now concluded that the audio was generated using AI voice technology.