Too Close To Home: Linwood BarclayPromise Falls isn't the kind of community where a family is shot to death in their own home. But that is exactly what happened to the Langleys one sweltering summer night, and no one in this small upstate New York town is more shocked than their next door neighbors, Jim and Ellen Cutter. They visited for the occasional barbecue, and their son, Derek, was friends with the Langleys boy, Adam but how well did they really know their neighbors? That's the