Former NASCAR Driver Greg Biffle, Family Among Seven Killed in North Carolina Plane Crash

Federal investigators are searching for answers after a plane crash killed seven people in North Carolina. The victims include former NASCAR driver Greg Biffle, his wife, and their children. The National Transportation Safety Board (NTSB) has recovered the aircraft's cockpit voice recorder. Investigators will analyze the recordings, hoping they reveal the cause of the crash. The NTSB's investigation is ongoing. A preliminary report is expected in the coming weeks.