Giles:  Um, this computer invasion that Willow’s performing on the coroner’s office, one, one assumes it is entirely legal?

Willow:  Entirely!

Buffy:  Of course!

Giles:  Right. Wasn’t here, didn’t see it, couldn’t have stopped you.

Buffy:  Good idea.

Buffy the Vampire Slayer, Season 1: Episode 4 – “Teacher’s Pet”