What is the fine-grained topic of the following text: Deputy Attorney General Rod Rosenstein announced that 12 Russian intelligence officers were indicted by Special Counsel Robert Mueller for allegedly hacking the Democratic Congressional Campaign Committee, the Democratic National Committee, and the Hillary Clinton campaign in the lead-up to the 2016 presidential election. Only return the topic.
Indictment of 12 Russian intelligence officers for alleged hacking in the 2016 presidential election.