It was 6:25AM, 6th Jan 1979. Tan Kuen Chai and his wife, Mei Ying, were about to leave for work. In less than four hours, all four of their children - their three sons and one daughter - would be dead.
They would return home to the tragic sight of their children, brutally slashed, covered in blood, piled on top of each other. This remains one of the most horrific, inhuman killings in Singapore history...
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