Russian government hackers penetrated Democratic National Committee's database and stole research on Donald Trump (could be paywalled; alternate source ), according to a report on Washington Post. DNC officials and security experts say the hackers were able to read all e-mail and chats in the DNC system. Some of the hackers had been in the DNC system for a year, the report adds. They were expelled from the computer system this past weekend. Russian spies also targeted the computers of Donald Trump, Hillary Clinton and several GOP political action committees. From the report: