Wait... (Hamster wheel in brain slowly starts turning.) O.J. Simpson! Now I get it.
And on that topic, you might recall the criticism Troy McClure made of the alternate ending to 'Who Shot Mr. Burns?'
Troy McClure: But of course, for that ending to work, you would have to ignore all the Simpson DNA evidence.

Funny thing is that Wiggum wonders if Martin's shirt will fit Ralph after a cougar coughs it up. I don't remember if he lives though, but I'm guessing he does.