1. Vertical with tail-rotor(?)
2. Tail boom
3. Main rotor
4. Cabin
https://abcnews.go.com/US/tourist-he...y?id=120755978
Watch ABC News video at 1:18 and note that main rotor separation occurs a lot later than tail boom and tail rotor.
That would seem to indicate that the tail boom failed first after extreme and rapid yaw.