Sign on the break-room refrigerator:
If you did not bring it, it's not YOURS! Don't eat it! Reward for info leading to the arrest of the B.B.B. (Brown Bag Bandit) x####
to which some wise-ass affixed a napkin with the following scribble:
It was Yummy!!! Clue #1
The drums in the jungle...the sound of the drums never stops...each night they seem closer...