Police also launched a search operation for Eric on March 13 after the babysitter told them that the boy's body had been dumped into the river at Muara Tebas near here.
The Fire and Rescue Department Bomba said in a statement earlier that the search operation today was carried out within a 200m radius around the village nearby after reports from locals of a rotten stench within the area.
No plea was recorded from Wendy Chai Xue Zhen, 36, and Ling Kok Liang, 51, when they were brought before the Magistrate's Court here on Thursday March 31.