In a characteristic episode of To Catch a Predator, a gray-haired man in his 40s walks into a suburban house in Florida. He's there to meet a 15-year-old named Jolanda who he's been chatting with ...

For a television show that was canceled nearly two decades ago, “To Catch a Predator” has been having quite a moment. For years, the show entertained Americans by finding men seeking sex with minors ...