This week temperatures in this dusty corner of Arizona were 105F (40C) - and turned visiting America's most famous unsolved crime scene into a gruelling endurance sport. An enormous cactus looms over the gazebo Damian Enderle has erected on the verge opposite Nancy Guthrie's red-brick bungalow. It protects him from the worst of the afternoon sun, which this week sent temperatures in this dusty corner of Arizona to 10... [17137 chars]