There didn't seem to be much mystery surrounding the who in this whodunit. It had all the earmarks of being another case of the age-old tensions between second wives and first families. Several people, including the dead woman's husband and sister, told of recent friction between the two. Other friends and acquaintances, though, said that Cinnamon and Linda got along just fine, wrote Ann Rule in her book on the case, "If You Really Loved Me."