Men and women kill their children in roughly equal numbers, and we need to understand why

On average, one child is killed by a parent almost every fortnight in Australia.

Last week, three children — Claire, 7, Anna, 5, and Matthew, 3 — were included in this terrible number. Homicide investigators have formed the “preliminary view” that their mother, Katie Perinovic, was responsible for their deaths before killing herself.

Their grieving father, Tomislav Perinovic, and Katie Perinovic’s parents have reportedly accepted the police’s version of events.

It was less than a year ago that Hannah Clarke and her children Aaliyah, Laianah and Trey were killed by their father, Rowan Baxter, who doused their car in petrol and set it alight.

In 2019, Anthony Harvey was sentenced to…