Mr. Ko (45), the husband of actress Song Seon Mi, was found dead around 11:40 AM on August 21 KST. Originally, Cho had been assumed to have murdered Mr. Ko because he did not receive enough compensation for helping Mr. Ko with the trial regarding his inheritance.

However, prosecutors confirmed on October 26 that his cousin 'A' had been arrested for inciting murder, saying, "We have arrested 'A' for inciting murder. He planned the murder of his cousin and told the murderer that he would be giving a large reward for murder during an inheritance battle between the grandchildren of a rich Korean-Japanese man. He approached the murderer with the intent of making him murder Mr. Ko. We have investigated the whole planned murder by contract."

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