LaLaurie Mansion is located in the heart of New Orleans, Louisana. Marie Delphine Macarty or MacCarthy, more commonly known as Madame Blanque or, after her third marriage, as Madame LaLaurie, was a New Orleans Creole socialite and serial killer who tortured and murdered slaves in her household. It is one of the most popular stops on our New Orleans Ghost Tours. Sometimes, people in the city won’t even call it that,…