CooperCon, the annual D.B. Cooper convention, gets underway in Seattle on Friday. "D.B. Cooper: Where Are You?!", which begins streaming on Netflix on July 13, explores the enduring mystery of the ...

VANCOUVER, Wash. - A simple black necktie may be the smoking gun tosolving a mystery that has fascinated the country for 50 years: who is D.B. Cooper and what happened to him? On the afternoon of Nov.