Shooter James T. Hodgkinson registered to attend Sanders campaign events in the Quad Cities area, campaign officials told The Des Moines Register.
Josh Miller-Lewis, Sanders' deputy communications director, said Hodgkinson signed up to host a Democratic primary debate watch party and registered in advance to attend three more volunteer events.
It's unclear how many of those events he ultimately attended, Miller-Lewis said.
Shooter had long history of run-ins with police around Belleville, Ill. (Madison.com, 6/15/2017)
Duke, a white nationalist who unsuccessfully ran for Louisiana Senate, tweeted early Wednesday that his supporters played a major part in paving Trump's road to the presidency.
"Make no mistake about it, our people have played a HUGE role in electing Trump!" he wrote.