Lord willing, few of us will ever face a uniformed deputy sheriff standing behind a stationary camera at the county jail, ordering us to watch the birdie. Still, there’s something endlessly fascinating about police mug shots. Examine the accompanying photos of celebrities who have run afoul of the law recently. Note the bemused expressions. Are they supposed to smile, and if they smile is that a tacit admission of guilt? Or should they scowl, and if they frown hard enough is that a declaration of innocence? Nobody — Pretty Boy Floyd and John Dillinger included — ever expects to be the subject of a mug shot. But Floyd and Dillinger only got hung up in post offices. Today, virtually every booking photo taken in America is available online instantly. And once it makes the Internet, it’s there forever/Steve Crump, Twin Falls Times News. More here.

Question: What expression would you recommend is best for a booking photo?