Although it recently caught one of its own brokers extracting $50 million from clients in Puerto Rico, Morgan Stanley is now being questioned for its uncovering the misdeed more than a decade later, The Wall Street Journal reports.

Carlos H. Soto, 59, admitted in an apparent confession that he took customers’ money and told them it was being placed in low-risk investment vehicles, like mortgage-backed securities. Instead, he invested the money in higher-risk and higher-reward vehicles, earning a hefty profit for himself while returning what would have been the proper amount of money to the customer had he or she been investing in the lower-risk operation.

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