Sen. Lindsey Graham votes for Evan McMullin over Trump, Clinton

COLUMBIA, SC (WIS) - South Carolina Republican senior Sen. Lindsey Graham said he did not vote for former Secretary of State Hillary Clinton or fellow Republican Donald Trump in the race for president.

In a series of tweets, Graham explained his electoral decision. Graham spent most of the year being one of Trump's most vocal detractors in the Republican Party.

RELATED: See some of the other Republicans who did not support Donald Trump for president.