'Female High School Student Murderer' 23-Year-Old Jang Yun-ki, Moments After the Crime.. Washing Blood-Stained Clothes, "Smoking Calmly" [Curious Story Y]

*This content was translated by AI.

'Curious Story Y' traces the whereabouts of the perpetrator in the Gwangju female high school student murder case.

The SBS documentary program 'Curious Story Y' airing on the 15th will investigate the Gwangju female high school student murder case.

A peaceful area near a university in Gwangju Metropolitan City turned into a scene of a horrific tragedy. On May 5, Children's Day, a high school student named Taerin (pseudonym) was stabbed to death on the street.

The perpetrator, arrested 11 hours after the crime, is 23-year-old Jang Yun-ki. Taerin had studied late into the night, eaten shaved ice with a friend, and parted ways. Not long after, she was attacked by Jang, a complete stranger.

"I never thought he was the type to commit such a crime. Even when his name came up as Jang, I couldn't recall it." - Fellow Student of the Suspect, INT

Jang claims that while contemplating an extreme choice at the time of the crime, he impulsively committed the act to take someone with him. Was this truly an impulsive crime?

Contrary to his claims, Jang displayed an astonishingly calm demeanor immediately after the crime. CCTV footage shows him visiting an unmanned laundromat to wash his blood-stained clothes, leisurely smoking a cigarette, and taking a break. Furthermore, during the investigation, another suspicious activity by Jang was uncovered: two days before the incident, he purchased a suspicious item!

"She must have been in so much pain. I miss my daughter so much." - Family Member of the Victim, INT

Jang had been stalking a woman he worked with for the past year. Even more disturbingly, circumstances emerged suggesting that Jang sexually assaulted that woman two days before the crime. That night, Jang's twisted anger was directed at Taerin, an innocent girl who had no connection to him. Taerin, who dreamed of becoming an emergency medical technician to save lives, loved hanging out with friends and was a vibrant 18-year-old girl with many dreams. Why did she have to end her life on a cold street?

In today's broadcast, Jang's hidden, brutal true face will be revealed.

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*This content was translated by AI.