"Some former Wells Fargo employees have said they were fired or otherwise retaliated against after reporting such misconduct to the bank’s ethics line. In all, about 5,300 employees have been fired, including many low-level employees in branches. It’s not clear how much of a role retaliation may have played in the firings."
http://www.charlotteobserver.com/news/business/banking/bank-watch-blog/article114171173.html