Many new home seekers like a little history behind their new houses—an original stairwell here, some antique tiling there. But what if that gem in the real-estate pages turned out to be the scene of an infamous murder or suicide story? A survey that ran on Realtor.com this October showed 32 percent of home buyers wouldn’t mind buying a reportedly haunted house, if they got a discount to make those ghost encounters worth their while. This week, the site of Mary Kennedy’s tragic suicide was purchased in Connecticut. From the house where the Amityville family murders took places to the In Cold Blood family farmhouse, see more real estate with a sordid past.