Jung Yoo-Jung.Photo:Busnan Police

Busnan Police
On Wednesday, police in the city of Busan arrested Jung Yoo-jung, 23, a police spokesman said,The Chosun Ilbo, the oldest daily newspaper in South Korea, reports.
She was indicted on a murder charge Friday,The Korea Timesreports.
Police have not publicly identified the victim of the brutal stabbing, a female, freelance tutor Jung allegedly found online, police said,The Korea Timesreports.
Jung initially allegedly posed as the mother of a ninth grader who wanted her daughter to learn English from a private tutor, investigators said, according toThe Chosun Ilbo.
Three months before the slaying, Jung allegedly searched online for tips on how to hide a corpse, her phone records showed, police said, according toThe Chosun Ilbo.
She borrowed books from a library and watched true crime shows to allegedly learn how to kill someone, police said.
Armed with information on how to fatally stab someone, Jung found her victim on a tutoring app, police allege.
Two days before the fatal stabbing, Jung contacted the tutor and said she would send her daughter to the her house for a consultation, police said,The Chosun Ilboreports.
Jung allegedly showed up at the victim’s house wearing a school uniform she bought online, police said.
“Jung is short, and with the uniform on, the victim probably mistook her for a middle-school student,” the police spokesman said, according toThe Chosun Ilbo.
Want to keep up with the latest crime coverage? Sign up forPEOPLE’s free True Crime newsletterfor breaking crime news, ongoing trial coverage and details of intriguing unsolved cases.
The unwitting victim opened the door and let Jung inside her home, where Jung allegedly stabbed her with a knife, police said.
After the slaying, Jung allegedly dismembered the woman, police said.
“In order to make it look like the victim had disappeared, Jung kept the victim’s mobile phone, ID card and wallet, attempting to commit a perfect crime,” police said,The Chosun Ilboreports.
Suspicious, the taxi driver called police, who allegedly found the remaining part of the victim’s boyd at Jung’s house and in the garbage bags, police said.
At first, Jung allegedly said she killed the woman after they’d gotten into an argument, police said.
But when investigators found holes in her story and her family told her to tell the truth, she allegedly confessed, police said.
“Jung also said she feels sorry for what she did,” the spokesman added. “We are conducting tests to see if she is a psychopath.”
Asked about her alleged crime, Jung said, “I think I was out of my mind,“The Korean Timesreports.
source: people.com