DR KEVIN RANDLE, a retired US Army lieutenant colonel who served combat tours as a helicopter pilot in Vietnam and an intelligence officer in Iraq. He has been studying UFOs for nearly fifty years. He has investigated some of the most famous UFO cases including the Levelland sightings and series of sightings over Washington, D.C. in 1952. He has been consulted for dozens of documentaries about UFOs and has made presentations to dozens of colleges and other organizations. He is considered one of the leading experts into the Roswell UFO crash of 1947. He had written more than 25 books about UFOs including the recently published Roswell in the 21st Century and hosts a blog, KevinRandle.blogspot.com.