No matter what sort of clue the Crime Scene lab has found (blood, wire, rope, oil, perfume, etc), somebody has manufactured a database designed to search through them all. Not only that, our heroes at the crime lab have purchased a copy of this …| TV Tropes
You have to Be Careful What You Wish For, because oh boy are you gonna get it. More often than not, a wish-granting entity (genie, vengeance demon, holodeck, leprechaun, and so on) has some sort of contractual clause stating that they have to …| TV Tropes