So it has been discovered! Weekend puzzles #132, #133, #134, and #135 have all hinted at the mysterious third Easter Egg hidden in Alibi in Ashes. Here's what the weekend puzzle answers/hints meant:
*WARNING: major spoilers in spoiler code below, proceed at your own risk!
Weekend Puzzle #132 answer: [A fun Easter Egg Pic in ASH] gave the first hint that a third egg indeed existed, and therefore was meant to drive you crazy. >.<
Weekend Puzzle #133 answer: [Culprit was stopped for suspicious cargo] hinted at police lingo, and led you to look for someone who [might've received a parking citation. No real game character was involved.]
Weekend Puzzle #134 answer: [Animal plus Action] gave you a more specific direction to [enter something into the TicketShark in the police station].
Weekend Puzzle #135 answer: Two words. No vowels. No spaces. No numbers.] was a a nudge in the direction of exact spelling.
With a little luck, and deductive reasoning you shall guess that the animal was a [bunny] and the action was [drive]. Follow the clues to enter [bnnydrv] into the [TickShark]. Voila! One fun *Easter Egg!
*Note: An Easter Egg is not always the physical egg, they are also fun little tricks, images, additions into a game that generally have no other purposes than for fun. We purposefully made two actual egg inventory items, and then the picture for fun. ;)