New details on Flight 370's final hours

(CNN) – Until the flight-data and cockpit-voice recorders from Flight 370, or even pieces of debris are found, investigators will still be playing something of a guessing game to figure out what ultimately took the plane down.

But some key pieces of information were uncovered over the weekend that could help shed light on that suspicious turn the plane took just minutes after all communication was lost with air traffic control.

CNN's Suzanne Malveaux reports.