Rosenstein: "We need to work together to hold the perpetrators accountable"
Deputy Attorney General Rod Rosenstein announced on Friday that a grand jury in the special counsel probe indicted 12 Russian intelligence officers for hacking during the 2016 election. Rosenstein discussed the principles of federal investigations, how they work, and why the indictment was returned. He also had a message of unity, saying it's important "to think patriotically as Americans."