The US Justice Department has charged six Russian intelligence officers with involvement in an extensive hacking campaign. According to the indictment, the efforts targeted Ukraine, Georgia, the French elections, the 2018 Winter Olympics and investigations into the poisoning of former Russian military officer Sergei Skripal. Host Marco Werman speaks with Andy Greenberg, author of “Sandworm: A New Era of Cyberwar and the Hunt for the Kremlin’s Most Dangerous Hackers.”