Big media outlets and the DNC? CNN even had their frontpage with Trump and Putin pictures side by side saying "Russia Helping Trump?" The actual story was more clear that it was just someone in a campaign accusing Russia. But the headline and setup was obviously intended to convey a different idea.
http://www.latimes.com/nation/politics/trailguide/la-na-trai...
http://edition.cnn.com/2016/07/24/politics/robby-mook-russia...