Gareth, Nathaniel, and Stacey Train are at the center of a coroner's inquest investigating their motivations behind a tragic ambush that claimed four lives. They delve into their troubled upbringing and mental health struggles, shedding light on how these factors shaped their actions. Andrew Messenger and Tamsin Rose discuss crucial recommendations from experts to combat online radicalization and prevent future tragedies. The conversation also explores the alarming rise of Christian extremism in Australia, emphasizing the urgent need for safer gun licensing practices.