Here's the Unsealed Declaration of Brian W. Kernighan [PDF], as text, thanks once again to Scott David Daniels. We've discussed this in the previous article and earlier, and really it speaks for itself. You can get the exhibits mentioned on that last page linked.

I hadn't been paying much attention to SCO for awhile... their
case has totally fallen apart. But the shouting will probably persist for some years...

Unsealed Declaration of Brian W. Kernighan, SCO v. IBM