https://www.cnet.com/news/justice-department-reportedly-investigating-cambridge-analytica/

Prosecutors have questioned former employees, as well as banks that handled its business, telling potential witnesses there's an open investigation into the firm, unidentified sources told the Times. But prosecutors have shared few details, and the investigation into the company and its business practices appears to be in its early stages.

Cambridge Analytica is at the heart of a scandal that's stirred up two national governments and the world's largest social network. Facebook banned the UK-based political-data analysis firm in March, saying it had improperly received as many as 87 million user profiles leaked from Facebook's service.