After 50 years of mystery, siblings claim hijacker DB Cooper was their father

Cooper's whereabouts after he jumped from a plane with $200,000 stumped investigators. Has the case been solved?

It is one of the biggest mysteries in US criminal history: just what happened to DB Cooper, the man who hijacked an airplane before leaping out in mid-air with $200,000 in cash?

Now, more than 50 years later, the infamous crime may have been solved, after a pair of siblings came forward to claim they had found the parachute used in the hijacking, in their mother's shed, and that Cooper was their father.