Think like a killer. That’s how Dr. Ann Burgess has spent her career, getting inside the minds of serial killers. As a criminal profiler for the FBI, Dr. Ann worked alongside John Douglas and Robert Ressler in the Behavioural Science Unit. From mass murderers and assassins to serial killers, the pioneering work looked at what makes serial killers tick, asking the ultimate question - what does it mean to kill?    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.