A shattered father has broken his silence nearly a decade after his ex-wife murdered their two young daughters and then killed herself.
Harley Cuzens, 52, said he will never recover as he took a swipe at the courts and government departments he says could have prevented the tragedy.
Heather Glendinning, 46, murdered her children Jane Cuzens, 12, and Jessica, 10, at their Port Denison home, north of Perth, in December 2011 before she stabbed herself to death in a locked bathroom.
Harley Cuzens (pictured) said he will never recover as he took a swipe at the courts and government departments he says could have prevented the tragedy
Jane Cuzens (left) and Jessica Cuzens (right) were killed by their mother in a murder suicide in 2011 which their father says could have been prevented if the courts had listened to him
The West Australian nurse suffered a massive mental breakdown before the horrific 'mercy murder suicide,' a coroner ruled in 2016.
Eight years after the attack, Mr Cuzens runs a fishing charter business in Broome.
'It's destroyed my family and completely broken me, and it was senseless. It was absolutely avoidable - there's been absolutely no accountability. That's what makes it so hard,' he told The Australian.
Mr Cuzens said he had been warning the Family Court for almost a decade before 2011 that Ms Glendinning was capable of such an attack.
'Their mother was not sane and fit to have custody of them - and no one wanted to hear that until it was too late,' he said.
'Psychologists and expert witnesses hold a lot of power and their decisions impact your entire family's future. If the court doesn't like what they say, they just appoint another one and the whole thing keeps on going for years and years until you're completely ground down'.
Mr Cuzens said one thing that still keeps him