text:  That's Marla Eisen and Domenico Montanaro. You're listening to special coverage from NPR. I'm Stephen Dubner on the next Freakonomics Radio. What happens when a celebrity endorsement goes terribly wrong? I mean, this is not just a mistake. This is a crime and this is something horrible. We dig into one gruesome story. Industry observers said this is really bad news for Subway. Your brand's spokesperson just got arrested. Now what? That's next time on Freakonomics Radio.