Lauren Dickason had searched how to cause child drug overdoses in the weeks leading up to the deaths of her three young daughters.
A warning, this story contains distressing content.
Mrs Dickason, originally from South Africa, is on trial in Christchurch for the murder of her children, Maya, Karla and Liané in September 2021. She denies the charges, instead arguing insanity and infanticide.
Niva Chittock was in court.