The scandal was revealed after months of undercover work by journalists.经过新闻记者数个月的暗中调查，丑闻被揭露出来。Griffiths plays a New York police officer who goes undercover to investigate the murder of a young Jewish man.格里菲思扮演一名纽约警察，暗中调查一名犹太青年被杀的案件。I'm sure he knew I was checking up on him.我能肯定，他当时知道我在暗中调查他。