The Gunfight at the O. K. Corral is a legendary event which has been portrayed in numerous Western films. The actual event occurred in a vacant lot near the corral, in Tombstone, Arizona (a corral is like a livery stable[?]; the analogous location in Denver was called the Elephant Corral).
... noted that the proposed use of some DRM schemes to restrict the ability to copy and distribute documents can be used by the criminal as a means of preventing enforcement ...