NTSB Monday July 1st Presser:
https://www.youtube.com/watch?v=Aet2JEyvAoQ
NTSB B-Roll Video:
https://www.youtube.com/watch?v=iQxnzK7WWEo
FAA Part 91 Operation forms part of the investigation. CVR being analysed in Washington DC.
(Audience member witness suggested that the flight profile resembled a stall-spin.)