What can they do now?

[Nevadaref]

Originally Posted by just another ref

None of these plays matches the OP, which involves a dribbler in control who subsequently goes out of bounds. It is necessary in this play to determine when the dribble became an interrupted dribble.

The principle is Sit D is the same as the interrupted dribble sitch of the OP. I do agree that the official must deem that player control was relinquished before the player stepped OOB.