Have you ever felt as if somebody was watching, following or even stalking you? If so, you're not alone. Most people have, at some time or another, had an experience like this -- and, tragically, many people are physically stalked every year. Yet there's a strange twist to the tale: More and more people are claiming they're being stalked by a group of people -- a gang. Join Ben and Matt to learn more in this evening's Classic episode.