A man in his 20s suspected of beating his mother to death with a blunt object was urgently arrested.
Seoul Guro Police Station said on the 14th that it urgently arrested Lee, 23, on suspicion of killing his mother.
Lee is suspected of beating his mother in her 50s to death with a blunt object and a knife at his home in Guro-dong, Guro-gu, at about 6 p.m. on the 13th.
According to police, Lee admitted to the crime after being apprehended by officers who responded to a report from his father.
In March, Lee was also admitted on an emergency basis after carrying a knife and showing delusional behavior, but was discharged based on the hospital's assessment.
Police have requested an autopsy of the mother from the National Forensic Service (NFS). They plan to seek an arrest warrant for Lee.