According to this article, this happened when Sir Andrew Witty was the CEO of GlaxoSmithKline (GSK)
Corruption, bribery, illegal marketing, contaminated dr-gs and collusion are some of the “highlights” of
Glaxo’s business practices revealed during Witty’s nine years as CEO
Under Witty's leadership, GSK paid a $3 billion payment to the US Government to settle whistleblower allegations leading to civil and criminal charges that the company marketed a number of its top-selling dr-gs for unapproved uses that in many cases endangered patients’ lives and health.
This is the largest healthcare fraud settlement in American history
GSK paid a $750 million payment to settle whistleblower allegations that led to civil and criminal liability for manufacturing contaminated dr-gs at its facility in Puerto Rico
The author of this article summed up Witty's GSK tenure was follows:
On the bright side, Witty’s announced resignation provides an opportunity for Glaxo to clean up its act.
https://www.forbes.com/sites/erikakelton/2016/03/24/with-andrew-wittys-departure-will-glaxosmithkline-say-goodbye-to-fraud/