Interesting enough for the subject matter — the mysterious skyjacker who disappeared from a plane1 with some gracious amount of money, never to be found again (the skyjacker that is; some of the money was found, maybe) — this article from the AP is probably best for the very last sentence:
“Maybe a hydrologist can use the latest technology to trace the $5,800 in ransom money found in 1980 to where Cooper landed upstream,” Carr said. “Or maybe someone just remembers that odd uncle.”
The FBI’s presenting, as they say, “for the first time” to the public, new & exciting information.
In case you do remember that odd uncle.
1 Which is to say, jumped.