As a former NSW Police deputy commissioner, Nick Kaldas was one of the country’s highest ranking cops. He’s investigated war criminals, taken down assassins, and he’s even been the centre of an internal investigation himself. Nick shares how the most challenging cases shaped who he’s become, his thoughts on terrorism and the pressure of policing in a digital world. Discover more about Nick Kaldas' book, Behind The Badge, here.   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.