bernard madoff lawsuit the bank served as the principal institution for bernard madoff and currently in litigation over billion see madoff trustee readies amended jpmorgan lawsuit nicholas tyrell former managing director and head of european real estate research and strategy at jp morgan asset nicholas tyrrel overdosed on heroin in april see investment banker died after accidentally overdosing on heroin tea money laundering in a u s senate staff report named the institution in a money laundering report see dirty money flow in u s banks is huge a senate report finds