Jonathan Ferrell, a former football player at Florida A&M, was shot 10 times when trying to seek help after car wreck.
"We've been given the opportunity to lead, and now we have to lead," senator-elect says.
Hillary steps in to help Hagan, while Tillis gets GOP support in his bid to oust the incumbent.
Tillis hits incumbent for voting for Obamacare, while senator says challenger doesn't understand "needs of the American people."
One of the pivotal races that could decide the balance of power in the upper chamber. (For complete 2014 midterm coverage, get your campaign fix on The Grid.)
Conservative policies vs. Obamacare ties could shift the balance in the Senate.