Off the grid and deep underwater, we found a wrecked plane tied to drug smuggling—and dove in to see what it left behind.

MOUNT AIRY, North Carolina (CNN)-- Six people were killed Friday when a small plane crashed into the front yard of a home while attempting to land in fog and low visibility in Mount Airy ...

Investigators concluded that the pilot passed out after the plane lost cabin pressure, and that the lack of extra oxygen contributed to the crash.