Long-lost documents related to assassination of President John F. Kennedy are always fascinating when they are revealed—regardless of their association with a conspiracy.

And a 1966 casefile recently discovered by the Tarrant County District Clerk’s office proves one thing: The State Bar of Texas hated San Francisco lawyer Melvin Belli—so much that it took steps to ensure he could never practice in the Lone Star State’s courts again after defending Jack Ruby of murder in 1964.