Hidden cameras used to film men in bathroom stalls has led to the arrest of a Missouri police officer who's accused of taking and posting the videos on a pornographic website. The shocking bust of 33-year-old Chesterfield officer David Cerna caps the discovery of videos of numerous men — some with faces shown — using a bathroom stall without knowing that a camera was trained on them, Fox2Now reported. "When I saw myself pooping, I was just like, you've gotta be kidding me," alleged victim Rob Cheney told Fox reporter Chris Heyes, who was the first to crack the investigation....