CUT TO

INT – NIGHT – Mark is sitting in front of his DVD player behind huge stacks of DVDs.

MARK
Seriously!  Have you ever seen any movie or TV show where there’s a sensor shadow, or radar glitch, or sonar echo that actually did turn out to be a sensor shadow, or radar glitch, or sonar echo?  Of course not!  It’s always a bad guy!

Of course that might just be what I want you to think…