Whether an individual is stuck under rubble or has just wandered off the beaten track, it's more than likely the search and rescue team will be using the work of Robert J.Koester to locate the missing person. He's a world leading search and rescue expert and the author of numerous books, including the seminal 'Lost Person Behavior' which has become the go-to guide for planning search and rescue missions around the world. Robert J.Koester joins Jim Mora to discuss his life's work.