CHARLESTON, SC - JUNE 18: In this handout photo provided by the Charleston County Sheriff's Office Detention Center, Dylann Storm Roof is seen in his booking photo after he was apprehended as the main suspect in the mass shooting at the  Emanuel African Methodist Episcopal Church that killed nine people on June 18, 2015 in Charleston, South Carolina. The 21-year-old gunman is suspected of killing nine people during a prayer meeting in the church, which is one of the nation's oldest black churches in Charleston.  (Photo by Charleston County Sheriff's Office via Getty Images)