John Hare came west from Connecticut looking for health and adventure. In the Utah desert he found both--and a woman he had never bargained for. The Mormons found him running for his life, only minutes ahead of a murderous band of rustlers who had pegged him for a spy. The Mormons let him join their party, pairing him with a half-Navajo beauty. "Lay down with Mescal in the shadows," the Mormon leader said. "The rustlers will think you are sweethearts...