Who was DB Cooper? New Netflix documentary series explores his disappearance

Who was DB Cooper? Where did he go and is he dead or alive?

These are just some of the questions new Netflix documentary series DB Cooper: Where Are You? seeks to answer about this mysterious case. In 1971, a man identifying himself as Cooper hijacked a plane, forced it to land at Seattle-Tacoma International Airport, picked-up his demands of four parachutes and $200,000 cash, and then flew to Nevada - only to parachute out of the aircraft, never to be seen again.

Fifty years on, the FBI may no longer pursue the case but that doesn’t mean there aren’t people out there who are trying to solve what is one of the greatest mysteries in American history. Before you watch it on TV, be warned that despite what you may have seen on Marvel's Loki series, Loki was not DB Cooper.

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The Netflix series details how Dan Cooper – the initials DB were a media creation, according to the FBI – appeared wearing a business suit and carrying a suitcase at the check-in desk of Northwest Orient Airlines in Portland, Oregon, on November 24, 1971. He paid in cash for a one-way ticket to Seattle, aboard Flight 305.

While he waited for take-off, Cooper ordered a bourbon and soda. Just after 3pm, once the plane was in the air, he passed the stewardess a note telling her he had packed a bomb in his briefcase. He showed her a glimpse of wires and red sticks inside to prove it.

She wrote his demands down and passed them to the captain – the man in seat 18C wanted four parachutes and $200,000. At Seattle, the 36 other passengers on board were swapped for the money and the plane took off again.

The flight took off for Mexico City, flying no higher than 10,000ft. Then,