Questions Surround Virginia Plane Crash Involving Prominent Family Members.

The pilot of a business jet that crashed into a remote Virginia mountain, killing all four people aboard, was not responding to air traffic control instructions only minutes into the flight, according to federal aviation officials. The jet continued towards its intended destination on Long Island, then turned to fly back to Virginia where it slammed into a mountain. Fighter jet pilots sent to intercept the business jet reported that its pilot appeared slumped over and unresponsive. The National Transportation Safety Board is investigating the cause of the crash.