Howard Bingham, a photographer, was called by the defense to testify about his experience as a passenger on Simpson's flight to Chicago on the night of the murders. Examined by Johnnie Cochran and cross-examined by Marcia Clark, Bingham's testimony came and went in a single day — his role was to speak to Simpson's demeanor and behavior during the flight, offering the defense a firsthand account from a fellow traveler with no personal stake in the outcome.