The 61-year-old desert survival expert, Nir Gur was reported missing on Wednesday.
Police are asking the public to assist in finding him, he 1.73 meters tall with short white hair, a French beard is wearing sandals, old gray military shorts and a light blue backpack.
Eight months ago Gur was found naked with a gun shot wound to his head. He barely survived and had no recollection of how he came to be in that state.