These interviews were poorly taped, and Vivian spent her days winding the tape recorder back and forth in order to see if a husband had said that he loved children or loathed them, or if a wife had called herself infertile or infantile.

NEWYORKER: Temporary

But a former accident investigator said the voice recorder may still provide valuable information, because the pilots could have discussed the earlier events on the way back to Minneapolis.

CNN: Co-pilot: No sleeping or arguing in cockpit

But a former accident investigator told CNN the voice recorder may still provide valuable information, because the pilots could have discussed the earlier events on the way back to Minneapolis.

CNN: Crew of wayward airliner cooperative, sober, police say