dead is the Rev. Clementa Pinckney, the pastor of the church which, according to the National Park Service, is the oldest black congregation in America south of Baltimore. (Photo by Chip Somodevilla/Getty Images) South Carolina Gov. Nikki Haley, right, greets U.S. Sen. Tim Scott, R-SC, at the first church service four days after a mass shooting that claimed the lives of nine people at the historic Emanuel African Methodist Church June 21, 2015 in Charleston, South Carolina. Chruch elders decided to hold the regularly scheduled Sunday school and worship service as they continue to grieve the shooting death of nine of its members including its pastor earlier this week. (Photo by Paul Zoeller-Pool/Getty Images) South Carolina Governor Nikki Haley speaks to press outside the Emanuel AME Church June19, 2015 in Charleston, South Carolina.US police arrested a white high school dropout Thursday suspected of carrying out a gun massacre at one of America's oldest black churches, the latest deadly assault to fuel simmering racial tensions. Authorities detained 21-year-old Dylann Roof, shown wearing the flags of defunct white supremacist regimes in pictures taken from social media, after nine churchgoers were shot dead during a Bible study class on Wednesday evening. (BRENDAN SMIALOWSKI/AFP/Getty Images) Escorted by staff and security, South Carolina Governor Nikki Haley (C) moves from one television interview to another across from the historic Emanuel African Methodist Episcopal Church June 19, 2015 in Charleston, South Carolina. Haley called for the death penalty for Dylann Storm Roof, 21, of Lexington, South Carolina, if he is found guilty