Question: Obstruction of Justice Quincy was a successful investment banker specializing in underwriting and merger advice. A federal grand jury was investigating the sales of initial public offerings, and Quincy knew that the grand jury had issued subpoenas seeking information about Quincy's deals. Quincy sent an e-mail to colleagues and encouraged them to "clean up" their files. What crimes, if any, did Quincy commit? If a colleague shredded files, what crimes may have been committed?