"OK, lets go over this one more time," said the big burly officer as he stood staring down at the professor who sat in the cold gray metal chair. It looked like the professor was having a hard time deciding what expression to wear.

And the officer "knew" he was hiding something, although he couldn't find any drugs in the whole, holey vehicle...

Yep, professor is going to have a hard time talking his way out of this one.