Federal prosecutors will seek the death penalty for a white man accused of killing nine black parishioners at a historic church in Charleston, South Carolina, last June, the U.S. Justice Department said on Tuesday. “The nature of the alleged crime and the resulting harm compelled this decision,” Attorney General Loretta Lynch said in a statement. Dylann Roof, 22, is accused of opening fire on June 17, 2015, during a Bible study session at Emanuel African Methodist Episcopal Church in Charleston. …