World champion Michael Katsidis has been to prison twice - and it’s not a mistake he’s going to make again. The Olympic boxer is sharing his lessons from jail and addiction to coach younger generations. Katsidis and veteran Marty Cornish reveal how they are helping build bulletproof mindsets to make men better people. Discover more at the Bulletproof Mindset Academy. Can’t get enough of I Catch Killers? Stay up to date on all the latest crime news at The Daily Telegraph. 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: newspodcastssold@news.com.au  Questions for Gary: icatchkillers@news.com.au  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.