They slithered behind the walls at night and released foul-smelling musk into the drinking water. And they were so numerous that Ben Sessions once killed 42 in a single day. Shortly after buying their dream home, Sessions and his wife discovered it was infested with thousands of garter snakes. For the next three months, their growing family lived as if in a horror movie. The five-bedroom house stands on nearly two pastoral acres in rural Idaho, about 125 miles southwest of Yellowstone National Park. Priced at less than $180,000, it seemed like a steal. Among locals, the property is known simply as the "snake house," he added. WN