Kirchner was last seen in Coconino County, Arizona in early April 2007. He was hiking a remote section of the Navajo Reservation. Reinhard is an experienced hiker who was in good physical condition and hiked extensively in the Colorado Plateau area. He carried a day pack, hiking stick and a camera in black case when he went hiking. He failed to show in Las Vegas for an 4/9/07 meeting, and was reported missing. No one has seen or heard from him since that date. (Information retrieved from NamUs.gov)