Alaska State Troopers say two people fired at a pursuing officer Tuesday during a 100-mph chase on the Parks Highway, narrowly missing his head. According to initial charging documents, Wasilla resident Daniel Buckwalter Jr., 24, and Houston resident Autumn Duczek, 41, were both arrested and charged with attempted murder, assault, criminal mischief and weapons misconduct in the incident. Buckwalter, the alleged driver during the chase, was also charged with DUI, reckless driving and failure to stop at the direction of a peace officer.