A criminal investigation has been opened by US federal prosecutors into the role of pharmaceutical companies in the US opioid crisis. Several pharmaceutical companies, including AmerisourceBergen, Amneal, Johnson & Johnson, Mallinckrodt, McKesson and Teva, have so far received subpoenas as part of the prosecution.

Source: https://www.cnbc.com/2019/11/26/federal-prosecutors-open-criminal-probe-of-opioid-makers-and-distributors-report-says.html