TEMPO.CO, Jakarta - The police had named Haris as a suspect in the murder of an entire family in Bekasi. The police said that the 30-year-old suspect has a motive behind his alleged crime.

Jakarta Metro Police spokesman Sr. Comr. Argo Yuwono said on Friday that the police had detained Haris since last night. The man was officially declared as a suspect based on the crime scene and forensic lab preliminary investigation results.

According to Argo, the police discovered that Haris has a motive that leads to their suspicion. Haris, Argo said, was often scolded by one of the victims, Diperum Nainggolan. He did not reveal the relationship between the suspect and the victim.

Read: Police Name Suspect in Bekasi Murder

Diperum Nainggolan and his wife Maya Ambarita were found dead in their living room on Tuesday, November 13. Their two young children were found dead in their bedroom. The police ruled out burglary as the victims' belonging were not stolen.

Witnesses said that Diperum had three cars parked at home. One of them is a Nissan X Trail that belongs to Diperum's older brother Douglas. The car had been missing since the discovery of the murder.

On Wednesday, the police found the car in a rented flat in Cikarang, Bekasi. A witness said HS was driving the car, which then led to his arrest in Garut, West Java.

Adam Prireza