HSBC's Long List of Troubles Just Got Even Longer

It is indeed very interesting that other bullion banks haven't been indicted for manipulating commodities prices, including the precious metals complex.  Not to name names, but HSBC must be the only guilty party.  Surely, no US-based bullion banks are involved in the rigging of markets.
/sarcasm
http://www.bloomberg.com/news/articles/2015-04-10/hsbc-s-long-list-of-troubles-just-got-even-longer

Precious metals: U.S. investigators have ordered HSBC to provide documents on its precious-metals dealings as part of criminal and regulatory probes into the markets. It’s also been named in several class actions alleging the bank conspired to manipulate gold and silver prices.