When Polish President Lech Kaczynski is killed in a plane crash, investigators discover that this was not simply a pilot error.
A 1996 collision between United Express 5925 and a private plane leaves investigators stumped until they learn a missing pilot played a role.
From cell phones to guns, cargo thieves cost the American economy over $30bn each year. But police are closing in on their vast criminal network.
Staten Island in New York is a slice of suburbia. But the island's idyllic way of life is under attack, with a drug overdose every five days.
Only the quick-thinking of Captain Frank Geib saved Northwest Airlines Flight 85 from disaster in 2002. What exactly went wrong?
Great Smoky Mountains National Park: Elk have been reintroduced to the National Park and are thri...Doclights GmbH/NDR Naturfilm/Jan Haft/ Kay Zies...
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