I want to know that' Pursue the serial murder of a family in a rented apartment in Busan on the 7th

*This content was translated by AI.

SBS's "I Want to Know That" will air at 11:10 p.m. on the 7th to deal with the hidden truth of the three-month series of family deaths.

In the early morning of March 26, 2025, a terrible murder occurred at a rental apartment in Busan. A man in his 60s was found dead in 14 places, including his face, neck and abdomen, inside a house full of blood. Three knives used in the crime were found at the scene, and a broken blade was embedded in the victim's chest.

The victim was Jang, a man in his 60s who lived alone. Police confirmed through CCTV that the last visitor was his second son Jang Do-cheol (pseudonym, 38 years old at the time). It remained a question of why Jang, who visited his father's house around 5 a.m., killed his father.

The witness said, "I had a knife stuck in my chest. It was a big, ignorant knife used to catch chickens."

Jang, who was arrested on charges of murdering his father, made a shocking confession during the investigation. Three months ago, on Dec. 31, 2024, he confessed to killing his brother Do-yeong (pseudonym, then 40 years old) who died in a studio apartment in Seoul. The older brother was known to have suffocated to death while eating baked eggs.

Jang Do-cheol said, "I gave sleeping pills to my brother in Ssanghwatang, and I put baked eggs in my sleeping brother's mouth."

However, Jang reversed his statement two days after the confession. It is true that my brother visited his brother's house two days before his death, but he claimed that he was alive when he left.

He claimed to have falsely confessed to his brother's death due to a police coercive investigation. He also complained of unfairness, saying that killing his father was an accidental crime while arguing over money.

At that time, the older brother was found in an abnormal posture with a piece of baked egg in his mouth. Whether the excessive amount of sleeping pills detected in the body was caused by voluntary use remained a question.

"I Want to Know That" traces the truth of the day the father and brother died and the secret between Jang's family.

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*This content was translated by AI.