The police are investigating a case-in-law questionnaire that is suspected of murdering and exposing her ex-husband.

Chungbuk Provincial Police Agency said today (9th) that it will refer 5 to 6 criminal psychological analysts from other local police agencies to analyze the investigation data of Mr. Ko and his current husband A.

Earlier, police have investigated Ko and A on charges of murder and negligence in relation to the death of a five-year-old B-boy, A's own son and a self-sufficient stepfather.

The police plan to disclose their opinions and investigations to law experts, including lawyers and professors.

The profilers analyze the behavior patterns and psychology of Mr. Ko's couple based on investigation data of Cheongju equivalent police station to find out how B group died.

The police reportedly commissioned an analysis by outside experts and profilers from other districts to produce objective results at the conclusion of the investigation.

Group B was found dead on March 2 at 10:10 am in the house of Mr. Ko's house in Cheongju.

At the time of the death of Army B, only Mr. Ko's couple was at home.

A said in the police investigation at that time, "I woke up in the morning, my son was sleeping together," he said, "wife slept in another room."

Mr. A said, “I was not able to understand because the police investigation was focused on me.”

Mr. Ko said in a police investigation that he said, "I woke up and found Army B was hidden and I don't know why."