Please assist if familiar with Business Law and Ethics, Thanks. All responses will be greatly appreciated!

Senate investigators found that executives at JPMorgan Chase & Co. lied to investors and the public. Also, traders, with the knowledge of top management, changed risk limits to facilitate more trading and then violated even these higher limits. Executive revalued the bank's investment portfolio to reduce apparent losses. The bank's internal investigation failed to find this wrongdoing. Into what ethics traps did these JPMorgan Chase & Co.'s employees fall? What options did the executives and traders have for dealing with this wrong- doing