Hannah Clarke was doused in petrol and set alight by her ex partner. He killed her and their three young children, Aaliyah, Laianah and Trey, in 2020. It is the worst possible outcome of family violence. Hannah’s parents, Sue and Lloyd Clarke, join Gary Jubelin to raise awareness about coercive control. If you or someone you know needs support, call 1800 737 732 or visit 1800respect.org.au or www.smallsteps4hannah.com.au.   Get episodes of I Catch Killers a week early and ad-free, as well as bonus content, by subscribing to Crime X+ today. Like the show? Get more at icatchkillers.com.au Advertising enquiries: [email protected]  Questions for Gary: [email protected]  Get in touch with the show by joining our Facebook group, and visiting us on Instagram or Tiktok. See omnystudio.com/listener for privacy information.