The Auckland businessman received a lesser sentence for his second assault on a woman than the first.
The confronting reality is the statistics haven't changed - and Emily's father says it's time to change the message.
While women needed to be aware of warning signs, they were not responsible for violence, a family violence expert says.
A coroner found Ngaire McKenzie's partner had exhibited controlling and manipulative behaviour before he murdered her.
Anyone can make up to two inquiries each year.