A parent in my area wrote in an e-newsletter: "This
She was writing about Landmark Supreme Court Cases, a site full of famous (and infamous!) cases, legal terms and teacher-friendly information (such as how to teach about case studies).
A description from the Landmark Supreme Court Cases site includes:
From the home page, you'll have access to a list of teacher-friendly areas of the site.
Thanks, Desi, for this 100% free educational find!