When Cyrus asks Elliot about insider trading, Elliot asks Cyrus if the FBI would be the ones investigating whether he committing insider trading to which Cyrus confirms.
Elliot, as head legal counsel of a publicly traded company, would be well aware that the SEC is who investigates insider trading, not the FBI.
Elliot, as head legal counsel of a publicly traded company, would be well aware that the SEC is who investigates insider trading, not the FBI.