In the 5am incident, the 17-year-old suspect is believed to have entered his mother’s bedroom and attacked her before fatally stabbing the 51-year-old woman with a folding knife.
Melaka police chief Datuk Dzulkhairi Mukhtar said the victim's eldest son, aged 21, heard the commotion and tried to intervene but was also fatally stabbed.
He said the woman’s youngest son, aged 13, also suffered serious injuries after being stabbed by the suspect, but is reported to be in stable condition and is currently receiving treatment at Melaka Hospital.
“The motive appears to be due to feelings of resentment, emotional suppression and psychological stress, no other motive. The mother and brother often scolded the suspect, so the case is considered solved.
“So far, several stab wounds have been found on the victims, including on the neck, waist and back. The bodies have been sent to Melaka Hospital for post-mortem examination,” he said during a press conference at the Melaka Contingent Police Headquarters on Thursday.
Dzulkhairi added that after killing his family members, the suspect, who had purchased the folding knife earlier, attempted to destroy evidence by hiding the weapon in his school bag, which was found outside the house.
He said the suspect also allegedly discarded his blood-stained clothes in nearby bushes and admitted to committing the act during police questioning.
He added that when the police arrived, the suspect was found sitting and staring blankly outside the house, as if unaware of his actions.
Gila lo, wanted to murder his entire family