The Pierce County Sheriff's Office both thanked the public for its accurate information, and acknowledged on August 11 that federal agencies would be leading the investigation, primarily the Seattle office of the Federal Bureau of Investigation (FBI).[28] It described the perpetrator, identified as 29-year-old Richard Russell,[2][30] as suicidal and said his actions did not constitute a "terrorist incident".[4] Alaska Air Group CEO Brad Tilden announced on the same day that the airline was coordinating with the Federal Aviation Administration, the FBI, and the National Transportation Safety Board, and was "working to find out everything we possibly can about what happened".[31][32] On August 12, the FBI said that it had recovered the flight data recorder along with components of the cockpit voice recorder. The equipment was sent to the National Transportation Safety Board for processing.[33]