Quick Cold Cases: The mysterious enigma of D.B. Cooper

By Nina Baker bakernin@grinnell.edu Quick Cold Cases is a column in which various S&B staff members briefly dive into cold cases from across the globe. Each writer provides a brief summary of the case before using their best investigative skills to describe what they believe happened.    On Nov. 24, 1971, a nondescript man calling himself Dan Cooper carried a slick, black briefcase into Portland International Airport in Oregon, and bought a one-way ticket for a 30-minute flight northwards to Seattle, Washington. A half-hour later, Cooper boarded a standard Boeing 727 aircraft, […]