One of the earliest slasher movies (two years later, Halloween would establish the modus operandi of slashers), The Town that Dreaded Sundown is disturbing because it's based on a real-life serial killer who was never caught. Stalking victims in 1946 Texarkana, the Phantom Killer, as he (or she) was dubbed by the press, would attack eight people, killing 5. For a good documentary on the Phantom Killer, and other real-life sources for urban legends, see Killer Legends, a documentary directed by Joshua Zeman (Cropsey, 2009). And here's the comic book reader version of the pressbook: Download Town Dreaded Sundown.
You can follow this conversation by subscribing to the comment feed for this post.