Dr Keatley is a Senior Lecturer in Criminology and Chair of Crime Science at Murdoch University, Australia. David is also the Director of Researchers in Behaviour Sequence Analysis (ReBSA) and Cold Case Review (CCR). David collaborates on a number of international research projects into violent crime, including atypical homicide, sexual assault and rape cases, and interpersonal violence. This has resulted in over 50 academic publications and case reports. In addition to academic work, David is also a consultant to security and threat management organizations and police departments around the world. David has consulted on a number of current and cold criminal cases, and has appeared on major television networks and podcasts. David has also authored two books on his applied methods: Pathways in Crime and The Timeline Toolkit.