re: The DB Cooper case refuses to die.

In November 2011, Kaye announced that particles of pure (unalloyed) titanium had also been found on the tie. He explained that titanium, which was much rarer in the 1970s than in the 2010s, was at that time found only in metal fabrication or production facilities, or at chemical companies using it (combined with aluminum) to store extremely corrosive substances.[94] The findings suggested that Cooper may have been a chemist or a metallurgist, or possibly an engineer or manager (the only employees who wore ties in such facilities at that time) in a metal or chemical manufacturing plant,[95] or at a company that recovered scrap metal from those types of factories.[96]

It sounds like he was an engineer with a gambling problem or had lost his pension due to the company closing. This new evidence actually confirms he