Dylan Roof's Plan to Spark a Race War

White supremacists believed that the only way to achieve their goal of an all-white world was to spark a war among the races. The police killing of Freddie Gray in Baltimore touched off civil unrest and riots. Donald Trump, who was mulling a run for president, called the mostly black protesters thugs on Twitter. Dylan Roof walked into an all-black church in Charleston, South Carolina during a Bible study,. They welcomed him into their prayer circle, then he opened fire with a hand gun, killing nine people.