WASHINGTON - Republican presidential nominee Donald Trump said again on July 28 whoever hacked the Democratic National Committee and stole years of internal emails remains a mystery, but private security experts - although not yet any U.S. government agencies - say they found persuasive clues that point to hacking groups whose previous targets track closely with the strategic interests of Russia's government, especially its civilian and military intelligence and security agencies.
Associated Press: Clues in DNC hacking point to Russia, despite Trump claims
Republican presidential candidate Donald Trump speaks before introducing his vice presidential running mate Indiana Gov. Mike Pence at the New York Hilton Midtown on July 16, 2016 in New York City.
