Bernard Madoff lawsuit
The bank served as the principal institution for Bernard Madoff and currently in litigation over $6.4 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 2011. (See: "Investment Banker Died After Accidentally Overdosing On Heroin Tea")

Money laundering
In 2001, 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")