KUALA LUMPUR, Sept 30 — As police uncover more clues surrounding the grisly deaths of two children and their father in Kepong on Monday, investigations found the family had previously lost two other children.

One died due to complications shortly after birth about eight years ago while another passed away while receiving treatment at a hospital about two years ago.

Sentul OCPD ACP R. Munusamy said investigators were now trying to uncover if the child, who died during treatment, was physically harmed in the past and hospitalised due to abuse.

Drug addict Cheah Hing Soon, 34, regularly burned incense in a room at their apartment unit in Taman Sri Bintang, to cover the stench of his decaying daughter Cheah Kai Sze, three, who was stuffed into a plastic storage container after she was murdered seven months ago. He continued his crazed act after killing his seven-month-old son Kai Wen last month. 

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Hing Soon was found dead in an opposite room on Monday.

Police picked up the children’s 35-year-old mother after she gave contradicting statements.

A police source revealed Hing Soon abused the woman, who was still under remand, throughout their marriage.

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“She was suppressed to the point she was too afraid to report (to the authorities),” he said.

It was learnt the mother had been sent to a hospital for mental evaluation.

“Police are still determining if she was linked to the murders. Even if she had no part to play, she could be charged under the Child Act for failing to alert authorities about the repeated abuses against her children,” the source said.

Police were looking to extend the woman’s remand order, which ends tomorrow, the source said.

“We are still not satisfied with her statements.”

Police completed taking statements from the two other surviving siblings, aged eight and six. The source said the boys were placed under the care of their paternal grandfather.