The Federal Bureau of Investigation (FBI) on Sunday released a photograph of Anthony Quinn Warner, who authorities say carried out the bombing in downtown Nashville on Christmas Day. The undated picture shows Warner, a 63-year-old white male, in a grey shirt, a sweatshirt, and a black overcoat. He has dark graying hair. Warner is staring at the camera. Authorities identified Warner earlier Sunday as the only suspect in the detonation, which affected dozens of buildings in Tennessee’s largest city. “Based on the evidence that we’ve gathered to this point, we’ve come to the conclusion that an individual named Anthony Warner is the bomber,” Don Cochran, U.S. attorney for the Middle District of Tennessee, told reporters at a a press conference. “He was present when the bomb went off, and then he perished in the bombing. We based this conclusion on forensic evidence, including DNA evidence.” Doug Korneski, the FBI’s special …