The Goldman Sachs Group Inc. (GS) veteran aimed a deadpan stare at his
   friend on the witness stand and waited for the inevitable betrayal.
   Insider Trading Bromance Ends With Betrayal and Guilty Verdict
   [1]https://www.bloomberg.com/news/articles/2023-06-22/goldman-banker-s-
   insider-trading-guilty-verdict-sealed-by-former-friend

References

   1. https://www.bloomberg.com/news/articles/2023-06-22/goldman-banker-s-insider-trading-guilty-verdict-sealed-by-former-friend