Parvati Khakha, 20, the domestic help accused of murdering her elderly employer couple with the help of boyfriend Singhasan Mukut Ekka, 26, decided to commit the crime after finding out about Ekka's criminal past, Khar police's investigation has revealed.

He had earlier killed his live-in partner in Odisha and managed to get away with it, and Khakha thought he would be able to repeat his performance this time as well, said officers.