Chantel Kari was in year six at Bentley Park College in Cairns when the educator turned cop killer Nathaniel Train was appointed principal at her school in far north Queensland.
A team of four officers was sent to the home in remote Wieambilla, 160 miles west of Brisbane, after reports that former primary school teacher Nathaniel Train was missing.
Police may never know how a successful and much loved educator turned into an evil killer whose actions would shock Australia and plunge a tight-knit community into mourning .