Hidden History of Roanoke: Star City Stories, by Nelson Harris, is a collection of 15 little known happenings in Roanoke, and it has a few stories that show Roanoke's dark side. The 1949 story of the murder of Dana Marie Weaver at Christ Episcopal Church is one. You can read part of the "Murder at Christ Church" chapter here and you can preview the book here.
One of the events, albeit not a scary one, in Hidden History takes place on a street in Roanoke County where I lived for 26 years. Apparently I missed the excitement by nearly a decade. Bill Cobb, a guy with North Carolina political aspirations, lived a double life in both Morganton, NC, and Roanoke. When a July 1962 issue of Time Magazine spotlighted him for being one of the new breeds of southern Republicans and published his picture, folks in Roanoke noticed. It was interesting to read about happenings on a street where I'd lived. And the other events were interesting, too.
I enjoyed both books and highly recommend them. If you're from Roanoke or currently live in Roanoke or plan to visit Roanoke, you should read Haunted Roanoke and Hidden History of Roanoke. They'll show you a side of the city that you don't often hear about. And some of it is a bit scary.