WHO KILLED MY LITTLE SISTER?

Peter Hallett, 58, Sydney, NSW

My sister Melissa cradled the newborn lamb in her arms.

‘I’m going to call her Nancy,’ she beamed.

Our family had rescued the lamb from a nearby abattoir, and even though Melissa was only eight, she’d taken to mothering the animal immediately.

After having me and my older sister, Jenny, my parents, Ron and Jan, had adopted Melissa when she was just six weeks old.

I was nine years older than her, so growing up,