By John Mulderig Like the creatures for which it's named, director Kyle Balda's comic mystery The Sheep Detectives (Amazon MGM) might be expected to be innocuous at worst and rather cuddly at best. Yet, as scripted by Craig Mazin, this adaptation of Leonie Swann's 2005 novel Three Bags Full includes material at odds with revealed truth. Julia-Louis Dreyfus as the voice of Lily, the sheep...