AdvertisementUpdated NationalWACrime Four dead in suspected murder-suicide in Perth’s western suburbs Hannah Murphy Updated January 30, 2026 — 1:58pm ,first published 11:50am Save You have reached your maximum number of saved items. Got it Share A A AA family has been found dead in an apparent murder-suicide in one of Perth’s most affluent suburbs. Advertisement“At this stage, there’s two parents and two children, so we would treat it as a double murder-suicide,” Securo said. Related Article LiveWA news live WA news LIVE: Four dead in suspected murder-suicide in Mosman Park Securo said WA police were attempting to narrow down the window of when the family were last seen alive. Federal Curtin MP Kate Chaney, whose electorate covers Mosman Park, said in a statement the news was “shocking and devastating for our community”.