Bring back our girls after nearly 300 students are kidnapped from their school by gunmen. Tonight tonight, millions joining the fight to bring them home safe. But first, the nightline five. Good evening and thanks for joining us. Im rebecca jarvis. Taking revenge on a cheating lover used to require at least some degree of energy. But not anymore. Tonight were going behind the scenes of an extremely controversial new website, a place where anyone betrayed in love can expose and humiliate, raising pressing new questions about fairness and privacy in the digital age. Heres abcs linsey davis. I really, really am sorry about it. I really am. Reporter dana scotts tears and apologies were not enough for the woman who claims dana almost ruined her marriage by having a year and a half affair with her husband. If dana cant handle the humiliation of all this, then you shouldnt have slept with someone elses husband. Reporter insults, derogatory names, even death wishes. I hope you end up with aids