Ok. Small debris field so we know the aircraft entered the water in one piece.
From 10000 to impact in less than 60 secs.
Something sudden must have happened to put the aircraft into such a dive.
Wx in the area from photos and radar looks ok.
Latest METAR
WIII 091100Z VRB04KT 6000 BKN022 25/24 Q1007 RERA NOSIG
Pilot suicide?
Stall? Spin?